diff --git a/Gemfile.lock b/Gemfile.lock
index ff2f0c05ec7d74030e6b9eab87a89ac3b6ed054d..fe5012ba7d1b1208d645a89dc986c31478f2cc9e 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -10,20 +10,20 @@ GEM
       ffi
       scrypt
     colorator (1.1.0)
-    concurrent-ruby (1.1.9)
-    em-websocket (0.5.2)
+    concurrent-ruby (1.1.10)
+    em-websocket (0.5.3)
       eventmachine (>= 0.12.9)
-      http_parser.rb (~> 0.6.0)
-    ethon (0.14.0)
+      http_parser.rb (~> 0)
+    ethon (0.15.0)
       ffi (>= 1.15.0)
     eventmachine (1.2.7)
-    ffi (1.15.3)
+    ffi (1.15.5)
     ffi-compiler (1.0.1)
       ffi (>= 1.0.0)
       rake
     forwardable-extended (2.6.0)
-    hashie (4.1.0)
-    hive-ruby (1.0.3)
+    hashie (5.0.0)
+    hive-ruby (1.0.4)
       base58 (~> 0.2, >= 0.2.3)
       bindata (~> 2.4, >= 2.4.4)
       bitcoin-ruby (~> 0.0, = 0.0.20)
@@ -31,18 +31,19 @@ GEM
       hashie (>= 3.5)
       json (~> 2.1, >= 2.1.0)
       logging (~> 2.2, >= 2.2.0)
-    html-proofer (3.19.2)
+    html-proofer (4.3.1)
       addressable (~> 2.3)
       mercenary (~> 0.3)
-      nokogumbo (~> 2.0)
-      parallel (~> 1.3)
+      nokogiri (~> 1.13)
+      parallel (~> 1.10)
       rainbow (~> 3.0)
       typhoeus (~> 1.3)
       yell (~> 2.0)
-    http_parser.rb (0.6.0)
-    i18n (1.8.10)
+      zeitwerk (~> 2.5)
+    http_parser.rb (0.8.0)
+    i18n (1.12.0)
       concurrent-ruby (~> 1.0)
-    jekyll (4.2.0)
+    jekyll (4.2.2)
       addressable (~> 2.4)
       colorator (~> 1.0)
       em-websocket (~> 0.5)
@@ -57,48 +58,46 @@ GEM
       rouge (~> 3.0)
       safe_yaml (~> 1.0)
       terminal-table (~> 2.0)
-    jekyll-sass-converter (2.1.0)
+    jekyll-sass-converter (2.2.0)
       sassc (> 2.0.1, < 3.0)
-    jekyll-seo-tag (2.7.1)
+    jekyll-seo-tag (2.8.0)
       jekyll (>= 3.8, < 5.0)
     jekyll-sitemap (1.4.0)
       jekyll (>= 3.7, < 5.0)
     jekyll-watch (2.2.1)
       listen (~> 3.0)
-    json (2.5.1)
-    kramdown (2.3.1)
+    json (2.6.2)
+    kramdown (2.4.0)
       rexml
     kramdown-parser-gfm (1.1.0)
       kramdown (~> 2.0)
     liquid (4.0.3)
-    listen (3.5.1)
+    listen (3.7.1)
       rb-fsevent (~> 0.10, >= 0.10.3)
       rb-inotify (~> 0.9, >= 0.9.10)
     little-plugger (1.1.4)
-    logging (2.3.0)
+    logging (2.3.1)
       little-plugger (~> 1.1)
       multi_json (~> 1.14)
     mercenary (0.4.0)
-    mini_portile2 (2.5.3)
+    mini_portile2 (2.8.0)
     multi_json (1.15.0)
     neatjson (0.9)
-    nokogiri (1.11.7)
-      mini_portile2 (~> 2.5.0)
+    nokogiri (1.13.8)
+      mini_portile2 (~> 2.8.0)
       racc (~> 1.4)
-    nokogumbo (2.0.5)
-      nokogiri (~> 1.8, >= 1.8.4)
-    parallel (1.20.1)
+    parallel (1.22.1)
     pathutil (0.16.2)
       forwardable-extended (~> 2.6)
-    public_suffix (4.0.6)
-    racc (1.5.2)
-    rainbow (3.0.0)
+    public_suffix (4.0.7)
+    racc (1.6.0)
+    rainbow (3.1.1)
     rake (13.0.6)
-    rb-fsevent (0.11.0)
+    rb-fsevent (0.11.1)
     rb-inotify (0.10.1)
       ffi (~> 1.0)
     rexml (3.2.5)
-    rouge (3.26.0)
+    rouge (3.30.0)
     safe_yaml (1.0.5)
     sassc (2.4.0)
       ffi (~> 1.9)
@@ -108,8 +107,9 @@ GEM
       unicode-display_width (~> 1.1, >= 1.1.1)
     typhoeus (1.4.0)
       ethon (>= 0.9.0)
-    unicode-display_width (1.7.0)
+    unicode-display_width (1.8.0)
     yell (2.2.2)
+    zeitwerk (2.6.0)
 
 PLATFORMS
   ruby
@@ -124,4 +124,4 @@ DEPENDENCIES
   rake
 
 BUNDLED WITH
-   2.2.23
+   2.3.19
diff --git a/tutorials/ruby/01_blog_feed/Gemfile.lock b/tutorials/ruby/01_blog_feed/Gemfile.lock
index 04b53d95141241f441dfaa15d392e00b181f03d2..b4f0c6cc8ac9228a0e96c335e556c2e17b55e838 100644
--- a/tutorials/ruby/01_blog_feed/Gemfile.lock
+++ b/tutorials/ruby/01_blog_feed/Gemfile.lock
@@ -3,53 +3,53 @@ GEM
   specs:
     awesome_print (1.9.2)
     base58 (0.2.3)
-    bindata (2.4.8)
+    bindata (2.4.10)
     bitcoin-ruby (0.0.20)
       eventmachine
       ffi
       scrypt
-    connection_pool (2.2.3)
+    connection_pool (2.2.5)
     eventmachine (1.2.7)
-    ffi (1.15.0)
+    ffi (1.15.5)
     ffi-compiler (1.0.1)
       ffi (>= 1.0.0)
       rake
-    hashie (4.1.0)
-    hive-ruby (1.0.2)
+    hashie (5.0.0)
+    hive-ruby (1.0.4)
       base58 (~> 0.2, >= 0.2.3)
       bindata (~> 2.4, >= 2.4.4)
       bitcoin-ruby (~> 0.0, = 0.0.20)
       ffi (~> 1.9, >= 1.9.23)
-      hashie (~> 4.1, >= 3.5.7)
+      hashie (>= 3.5)
       json (~> 2.1, >= 2.1.0)
       logging (~> 2.2, >= 2.2.0)
-    json (2.5.1)
+    json (2.6.2)
     little-plugger (1.1.4)
-    logging (2.3.0)
+    logging (2.3.1)
       little-plugger (~> 1.1)
       multi_json (~> 1.14)
     multi_json (1.15.0)
     net-http-persistent (4.0.1)
       connection_pool (~> 2.2)
-    radiator (0.4.8)
+    radiator (0.4.9)
       awesome_print (~> 1.7, >= 1.7.0)
       bitcoin-ruby (= 0.0.20)
       ffi (~> 1.9, >= 1.9.18)
       hashie (>= 3.5)
-      hive-ruby (~> 1.0, >= 1.0.2)
+      hive-ruby (~> 1.0, >= 1.0.3)
       json (~> 2.0, >= 2.0.2)
       logging (~> 2.2, >= 2.2.0)
       net-http-persistent (>= 2.5.2)
-      steem-ruby (~> 0.9, >= 0.9.5)
-    rake (13.0.3)
+      steem-ruby (~> 0.9, >= 0.9.7)
+    rake (13.0.6)
     scrypt (3.0.7)
       ffi-compiler (>= 1.0, < 2.0)
-    steem-ruby (0.9.6)
+    steem-ruby (0.9.8)
       base58 (~> 0.2, >= 0.2.3)
       bindata (~> 2.4, >= 2.4.4)
       bitcoin-ruby (~> 0.0, >= 0.0.18)
       ffi (~> 1.9, >= 1.9.23)
-      hashie (~> 4.1, >= 3.5.7)
+      hashie (~> 5.0, >= 4.1.0)
       json (~> 2.1, >= 2.1.0)
       logging (~> 2.2, >= 2.2.0)
 
@@ -60,4 +60,4 @@ DEPENDENCIES
   radiator
 
 BUNDLED WITH
-   2.1.4
+   2.3.19
diff --git a/tutorials/ruby/04_get_posts/Gemfile.lock b/tutorials/ruby/04_get_posts/Gemfile.lock
index 04b53d95141241f441dfaa15d392e00b181f03d2..b4f0c6cc8ac9228a0e96c335e556c2e17b55e838 100644
--- a/tutorials/ruby/04_get_posts/Gemfile.lock
+++ b/tutorials/ruby/04_get_posts/Gemfile.lock
@@ -3,53 +3,53 @@ GEM
   specs:
     awesome_print (1.9.2)
     base58 (0.2.3)
-    bindata (2.4.8)
+    bindata (2.4.10)
     bitcoin-ruby (0.0.20)
       eventmachine
       ffi
       scrypt
-    connection_pool (2.2.3)
+    connection_pool (2.2.5)
     eventmachine (1.2.7)
-    ffi (1.15.0)
+    ffi (1.15.5)
     ffi-compiler (1.0.1)
       ffi (>= 1.0.0)
       rake
-    hashie (4.1.0)
-    hive-ruby (1.0.2)
+    hashie (5.0.0)
+    hive-ruby (1.0.4)
       base58 (~> 0.2, >= 0.2.3)
       bindata (~> 2.4, >= 2.4.4)
       bitcoin-ruby (~> 0.0, = 0.0.20)
       ffi (~> 1.9, >= 1.9.23)
-      hashie (~> 4.1, >= 3.5.7)
+      hashie (>= 3.5)
       json (~> 2.1, >= 2.1.0)
       logging (~> 2.2, >= 2.2.0)
-    json (2.5.1)
+    json (2.6.2)
     little-plugger (1.1.4)
-    logging (2.3.0)
+    logging (2.3.1)
       little-plugger (~> 1.1)
       multi_json (~> 1.14)
     multi_json (1.15.0)
     net-http-persistent (4.0.1)
       connection_pool (~> 2.2)
-    radiator (0.4.8)
+    radiator (0.4.9)
       awesome_print (~> 1.7, >= 1.7.0)
       bitcoin-ruby (= 0.0.20)
       ffi (~> 1.9, >= 1.9.18)
       hashie (>= 3.5)
-      hive-ruby (~> 1.0, >= 1.0.2)
+      hive-ruby (~> 1.0, >= 1.0.3)
       json (~> 2.0, >= 2.0.2)
       logging (~> 2.2, >= 2.2.0)
       net-http-persistent (>= 2.5.2)
-      steem-ruby (~> 0.9, >= 0.9.5)
-    rake (13.0.3)
+      steem-ruby (~> 0.9, >= 0.9.7)
+    rake (13.0.6)
     scrypt (3.0.7)
       ffi-compiler (>= 1.0, < 2.0)
-    steem-ruby (0.9.6)
+    steem-ruby (0.9.8)
       base58 (~> 0.2, >= 0.2.3)
       bindata (~> 2.4, >= 2.4.4)
       bitcoin-ruby (~> 0.0, >= 0.0.18)
       ffi (~> 1.9, >= 1.9.23)
-      hashie (~> 4.1, >= 3.5.7)
+      hashie (~> 5.0, >= 4.1.0)
       json (~> 2.1, >= 2.1.0)
       logging (~> 2.2, >= 2.2.0)
 
@@ -60,4 +60,4 @@ DEPENDENCIES
   radiator
 
 BUNDLED WITH
-   2.1.4
+   2.3.19
diff --git a/tutorials/ruby/05_get_post_details/Gemfile.lock b/tutorials/ruby/05_get_post_details/Gemfile.lock
index 04b53d95141241f441dfaa15d392e00b181f03d2..b4f0c6cc8ac9228a0e96c335e556c2e17b55e838 100644
--- a/tutorials/ruby/05_get_post_details/Gemfile.lock
+++ b/tutorials/ruby/05_get_post_details/Gemfile.lock
@@ -3,53 +3,53 @@ GEM
   specs:
     awesome_print (1.9.2)
     base58 (0.2.3)
-    bindata (2.4.8)
+    bindata (2.4.10)
     bitcoin-ruby (0.0.20)
       eventmachine
       ffi
       scrypt
-    connection_pool (2.2.3)
+    connection_pool (2.2.5)
     eventmachine (1.2.7)
-    ffi (1.15.0)
+    ffi (1.15.5)
     ffi-compiler (1.0.1)
       ffi (>= 1.0.0)
       rake
-    hashie (4.1.0)
-    hive-ruby (1.0.2)
+    hashie (5.0.0)
+    hive-ruby (1.0.4)
       base58 (~> 0.2, >= 0.2.3)
       bindata (~> 2.4, >= 2.4.4)
       bitcoin-ruby (~> 0.0, = 0.0.20)
       ffi (~> 1.9, >= 1.9.23)
-      hashie (~> 4.1, >= 3.5.7)
+      hashie (>= 3.5)
       json (~> 2.1, >= 2.1.0)
       logging (~> 2.2, >= 2.2.0)
-    json (2.5.1)
+    json (2.6.2)
     little-plugger (1.1.4)
-    logging (2.3.0)
+    logging (2.3.1)
       little-plugger (~> 1.1)
       multi_json (~> 1.14)
     multi_json (1.15.0)
     net-http-persistent (4.0.1)
       connection_pool (~> 2.2)
-    radiator (0.4.8)
+    radiator (0.4.9)
       awesome_print (~> 1.7, >= 1.7.0)
       bitcoin-ruby (= 0.0.20)
       ffi (~> 1.9, >= 1.9.18)
       hashie (>= 3.5)
-      hive-ruby (~> 1.0, >= 1.0.2)
+      hive-ruby (~> 1.0, >= 1.0.3)
       json (~> 2.0, >= 2.0.2)
       logging (~> 2.2, >= 2.2.0)
       net-http-persistent (>= 2.5.2)
-      steem-ruby (~> 0.9, >= 0.9.5)
-    rake (13.0.3)
+      steem-ruby (~> 0.9, >= 0.9.7)
+    rake (13.0.6)
     scrypt (3.0.7)
       ffi-compiler (>= 1.0, < 2.0)
-    steem-ruby (0.9.6)
+    steem-ruby (0.9.8)
       base58 (~> 0.2, >= 0.2.3)
       bindata (~> 2.4, >= 2.4.4)
       bitcoin-ruby (~> 0.0, >= 0.0.18)
       ffi (~> 1.9, >= 1.9.23)
-      hashie (~> 4.1, >= 3.5.7)
+      hashie (~> 5.0, >= 4.1.0)
       json (~> 2.1, >= 2.1.0)
       logging (~> 2.2, >= 2.2.0)
 
@@ -60,4 +60,4 @@ DEPENDENCIES
   radiator
 
 BUNDLED WITH
-   2.1.4
+   2.3.19
diff --git a/tutorials/ruby/06_get_voters_list_on_post/Gemfile.lock b/tutorials/ruby/06_get_voters_list_on_post/Gemfile.lock
index 04b53d95141241f441dfaa15d392e00b181f03d2..b4f0c6cc8ac9228a0e96c335e556c2e17b55e838 100644
--- a/tutorials/ruby/06_get_voters_list_on_post/Gemfile.lock
+++ b/tutorials/ruby/06_get_voters_list_on_post/Gemfile.lock
@@ -3,53 +3,53 @@ GEM
   specs:
     awesome_print (1.9.2)
     base58 (0.2.3)
-    bindata (2.4.8)
+    bindata (2.4.10)
     bitcoin-ruby (0.0.20)
       eventmachine
       ffi
       scrypt
-    connection_pool (2.2.3)
+    connection_pool (2.2.5)
     eventmachine (1.2.7)
-    ffi (1.15.0)
+    ffi (1.15.5)
     ffi-compiler (1.0.1)
       ffi (>= 1.0.0)
       rake
-    hashie (4.1.0)
-    hive-ruby (1.0.2)
+    hashie (5.0.0)
+    hive-ruby (1.0.4)
       base58 (~> 0.2, >= 0.2.3)
       bindata (~> 2.4, >= 2.4.4)
       bitcoin-ruby (~> 0.0, = 0.0.20)
       ffi (~> 1.9, >= 1.9.23)
-      hashie (~> 4.1, >= 3.5.7)
+      hashie (>= 3.5)
       json (~> 2.1, >= 2.1.0)
       logging (~> 2.2, >= 2.2.0)
-    json (2.5.1)
+    json (2.6.2)
     little-plugger (1.1.4)
-    logging (2.3.0)
+    logging (2.3.1)
       little-plugger (~> 1.1)
       multi_json (~> 1.14)
     multi_json (1.15.0)
     net-http-persistent (4.0.1)
       connection_pool (~> 2.2)
-    radiator (0.4.8)
+    radiator (0.4.9)
       awesome_print (~> 1.7, >= 1.7.0)
       bitcoin-ruby (= 0.0.20)
       ffi (~> 1.9, >= 1.9.18)
       hashie (>= 3.5)
-      hive-ruby (~> 1.0, >= 1.0.2)
+      hive-ruby (~> 1.0, >= 1.0.3)
       json (~> 2.0, >= 2.0.2)
       logging (~> 2.2, >= 2.2.0)
       net-http-persistent (>= 2.5.2)
-      steem-ruby (~> 0.9, >= 0.9.5)
-    rake (13.0.3)
+      steem-ruby (~> 0.9, >= 0.9.7)
+    rake (13.0.6)
     scrypt (3.0.7)
       ffi-compiler (>= 1.0, < 2.0)
-    steem-ruby (0.9.6)
+    steem-ruby (0.9.8)
       base58 (~> 0.2, >= 0.2.3)
       bindata (~> 2.4, >= 2.4.4)
       bitcoin-ruby (~> 0.0, >= 0.0.18)
       ffi (~> 1.9, >= 1.9.23)
-      hashie (~> 4.1, >= 3.5.7)
+      hashie (~> 5.0, >= 4.1.0)
       json (~> 2.1, >= 2.1.0)
       logging (~> 2.2, >= 2.2.0)
 
@@ -60,4 +60,4 @@ DEPENDENCIES
   radiator
 
 BUNDLED WITH
-   2.1.4
+   2.3.19
diff --git a/tutorials/ruby/07_get_post_comments/Gemfile.lock b/tutorials/ruby/07_get_post_comments/Gemfile.lock
index 04b53d95141241f441dfaa15d392e00b181f03d2..b4f0c6cc8ac9228a0e96c335e556c2e17b55e838 100644
--- a/tutorials/ruby/07_get_post_comments/Gemfile.lock
+++ b/tutorials/ruby/07_get_post_comments/Gemfile.lock
@@ -3,53 +3,53 @@ GEM
   specs:
     awesome_print (1.9.2)
     base58 (0.2.3)
-    bindata (2.4.8)
+    bindata (2.4.10)
     bitcoin-ruby (0.0.20)
       eventmachine
       ffi
       scrypt
-    connection_pool (2.2.3)
+    connection_pool (2.2.5)
     eventmachine (1.2.7)
-    ffi (1.15.0)
+    ffi (1.15.5)
     ffi-compiler (1.0.1)
       ffi (>= 1.0.0)
       rake
-    hashie (4.1.0)
-    hive-ruby (1.0.2)
+    hashie (5.0.0)
+    hive-ruby (1.0.4)
       base58 (~> 0.2, >= 0.2.3)
       bindata (~> 2.4, >= 2.4.4)
       bitcoin-ruby (~> 0.0, = 0.0.20)
       ffi (~> 1.9, >= 1.9.23)
-      hashie (~> 4.1, >= 3.5.7)
+      hashie (>= 3.5)
       json (~> 2.1, >= 2.1.0)
       logging (~> 2.2, >= 2.2.0)
-    json (2.5.1)
+    json (2.6.2)
     little-plugger (1.1.4)
-    logging (2.3.0)
+    logging (2.3.1)
       little-plugger (~> 1.1)
       multi_json (~> 1.14)
     multi_json (1.15.0)
     net-http-persistent (4.0.1)
       connection_pool (~> 2.2)
-    radiator (0.4.8)
+    radiator (0.4.9)
       awesome_print (~> 1.7, >= 1.7.0)
       bitcoin-ruby (= 0.0.20)
       ffi (~> 1.9, >= 1.9.18)
       hashie (>= 3.5)
-      hive-ruby (~> 1.0, >= 1.0.2)
+      hive-ruby (~> 1.0, >= 1.0.3)
       json (~> 2.0, >= 2.0.2)
       logging (~> 2.2, >= 2.2.0)
       net-http-persistent (>= 2.5.2)
-      steem-ruby (~> 0.9, >= 0.9.5)
-    rake (13.0.3)
+      steem-ruby (~> 0.9, >= 0.9.7)
+    rake (13.0.6)
     scrypt (3.0.7)
       ffi-compiler (>= 1.0, < 2.0)
-    steem-ruby (0.9.6)
+    steem-ruby (0.9.8)
       base58 (~> 0.2, >= 0.2.3)
       bindata (~> 2.4, >= 2.4.4)
       bitcoin-ruby (~> 0.0, >= 0.0.18)
       ffi (~> 1.9, >= 1.9.23)
-      hashie (~> 4.1, >= 3.5.7)
+      hashie (~> 5.0, >= 4.1.0)
       json (~> 2.1, >= 2.1.0)
       logging (~> 2.2, >= 2.2.0)
 
@@ -60,4 +60,4 @@ DEPENDENCIES
   radiator
 
 BUNDLED WITH
-   2.1.4
+   2.3.19
diff --git a/tutorials/ruby/08_get_account_replies/Gemfile.lock b/tutorials/ruby/08_get_account_replies/Gemfile.lock
index 04b53d95141241f441dfaa15d392e00b181f03d2..b4f0c6cc8ac9228a0e96c335e556c2e17b55e838 100644
--- a/tutorials/ruby/08_get_account_replies/Gemfile.lock
+++ b/tutorials/ruby/08_get_account_replies/Gemfile.lock
@@ -3,53 +3,53 @@ GEM
   specs:
     awesome_print (1.9.2)
     base58 (0.2.3)
-    bindata (2.4.8)
+    bindata (2.4.10)
     bitcoin-ruby (0.0.20)
       eventmachine
       ffi
       scrypt
-    connection_pool (2.2.3)
+    connection_pool (2.2.5)
     eventmachine (1.2.7)
-    ffi (1.15.0)
+    ffi (1.15.5)
     ffi-compiler (1.0.1)
       ffi (>= 1.0.0)
       rake
-    hashie (4.1.0)
-    hive-ruby (1.0.2)
+    hashie (5.0.0)
+    hive-ruby (1.0.4)
       base58 (~> 0.2, >= 0.2.3)
       bindata (~> 2.4, >= 2.4.4)
       bitcoin-ruby (~> 0.0, = 0.0.20)
       ffi (~> 1.9, >= 1.9.23)
-      hashie (~> 4.1, >= 3.5.7)
+      hashie (>= 3.5)
       json (~> 2.1, >= 2.1.0)
       logging (~> 2.2, >= 2.2.0)
-    json (2.5.1)
+    json (2.6.2)
     little-plugger (1.1.4)
-    logging (2.3.0)
+    logging (2.3.1)
       little-plugger (~> 1.1)
       multi_json (~> 1.14)
     multi_json (1.15.0)
     net-http-persistent (4.0.1)
       connection_pool (~> 2.2)
-    radiator (0.4.8)
+    radiator (0.4.9)
       awesome_print (~> 1.7, >= 1.7.0)
       bitcoin-ruby (= 0.0.20)
       ffi (~> 1.9, >= 1.9.18)
       hashie (>= 3.5)
-      hive-ruby (~> 1.0, >= 1.0.2)
+      hive-ruby (~> 1.0, >= 1.0.3)
       json (~> 2.0, >= 2.0.2)
       logging (~> 2.2, >= 2.2.0)
       net-http-persistent (>= 2.5.2)
-      steem-ruby (~> 0.9, >= 0.9.5)
-    rake (13.0.3)
+      steem-ruby (~> 0.9, >= 0.9.7)
+    rake (13.0.6)
     scrypt (3.0.7)
       ffi-compiler (>= 1.0, < 2.0)
-    steem-ruby (0.9.6)
+    steem-ruby (0.9.8)
       base58 (~> 0.2, >= 0.2.3)
       bindata (~> 2.4, >= 2.4.4)
       bitcoin-ruby (~> 0.0, >= 0.0.18)
       ffi (~> 1.9, >= 1.9.23)
-      hashie (~> 4.1, >= 3.5.7)
+      hashie (~> 5.0, >= 4.1.0)
       json (~> 2.1, >= 2.1.0)
       logging (~> 2.2, >= 2.2.0)
 
@@ -60,4 +60,4 @@ DEPENDENCIES
   radiator
 
 BUNDLED WITH
-   2.1.4
+   2.3.19
diff --git a/tutorials/ruby/09_get_account_comments/Gemfile.lock b/tutorials/ruby/09_get_account_comments/Gemfile.lock
index 04b53d95141241f441dfaa15d392e00b181f03d2..b4f0c6cc8ac9228a0e96c335e556c2e17b55e838 100644
--- a/tutorials/ruby/09_get_account_comments/Gemfile.lock
+++ b/tutorials/ruby/09_get_account_comments/Gemfile.lock
@@ -3,53 +3,53 @@ GEM
   specs:
     awesome_print (1.9.2)
     base58 (0.2.3)
-    bindata (2.4.8)
+    bindata (2.4.10)
     bitcoin-ruby (0.0.20)
       eventmachine
       ffi
       scrypt
-    connection_pool (2.2.3)
+    connection_pool (2.2.5)
     eventmachine (1.2.7)
-    ffi (1.15.0)
+    ffi (1.15.5)
     ffi-compiler (1.0.1)
       ffi (>= 1.0.0)
       rake
-    hashie (4.1.0)
-    hive-ruby (1.0.2)
+    hashie (5.0.0)
+    hive-ruby (1.0.4)
       base58 (~> 0.2, >= 0.2.3)
       bindata (~> 2.4, >= 2.4.4)
       bitcoin-ruby (~> 0.0, = 0.0.20)
       ffi (~> 1.9, >= 1.9.23)
-      hashie (~> 4.1, >= 3.5.7)
+      hashie (>= 3.5)
       json (~> 2.1, >= 2.1.0)
       logging (~> 2.2, >= 2.2.0)
-    json (2.5.1)
+    json (2.6.2)
     little-plugger (1.1.4)
-    logging (2.3.0)
+    logging (2.3.1)
       little-plugger (~> 1.1)
       multi_json (~> 1.14)
     multi_json (1.15.0)
     net-http-persistent (4.0.1)
       connection_pool (~> 2.2)
-    radiator (0.4.8)
+    radiator (0.4.9)
       awesome_print (~> 1.7, >= 1.7.0)
       bitcoin-ruby (= 0.0.20)
       ffi (~> 1.9, >= 1.9.18)
       hashie (>= 3.5)
-      hive-ruby (~> 1.0, >= 1.0.2)
+      hive-ruby (~> 1.0, >= 1.0.3)
       json (~> 2.0, >= 2.0.2)
       logging (~> 2.2, >= 2.2.0)
       net-http-persistent (>= 2.5.2)
-      steem-ruby (~> 0.9, >= 0.9.5)
-    rake (13.0.3)
+      steem-ruby (~> 0.9, >= 0.9.7)
+    rake (13.0.6)
     scrypt (3.0.7)
       ffi-compiler (>= 1.0, < 2.0)
-    steem-ruby (0.9.6)
+    steem-ruby (0.9.8)
       base58 (~> 0.2, >= 0.2.3)
       bindata (~> 2.4, >= 2.4.4)
       bitcoin-ruby (~> 0.0, >= 0.0.18)
       ffi (~> 1.9, >= 1.9.23)
-      hashie (~> 4.1, >= 3.5.7)
+      hashie (~> 5.0, >= 4.1.0)
       json (~> 2.1, >= 2.1.0)
       logging (~> 2.2, >= 2.2.0)
 
@@ -60,4 +60,4 @@ DEPENDENCIES
   radiator
 
 BUNDLED WITH
-   2.1.4
+   2.3.19
diff --git a/tutorials/ruby/10_submit_post/Gemfile.lock b/tutorials/ruby/10_submit_post/Gemfile.lock
index 04b53d95141241f441dfaa15d392e00b181f03d2..b4f0c6cc8ac9228a0e96c335e556c2e17b55e838 100644
--- a/tutorials/ruby/10_submit_post/Gemfile.lock
+++ b/tutorials/ruby/10_submit_post/Gemfile.lock
@@ -3,53 +3,53 @@ GEM
   specs:
     awesome_print (1.9.2)
     base58 (0.2.3)
-    bindata (2.4.8)
+    bindata (2.4.10)
     bitcoin-ruby (0.0.20)
       eventmachine
       ffi
       scrypt
-    connection_pool (2.2.3)
+    connection_pool (2.2.5)
     eventmachine (1.2.7)
-    ffi (1.15.0)
+    ffi (1.15.5)
     ffi-compiler (1.0.1)
       ffi (>= 1.0.0)
       rake
-    hashie (4.1.0)
-    hive-ruby (1.0.2)
+    hashie (5.0.0)
+    hive-ruby (1.0.4)
       base58 (~> 0.2, >= 0.2.3)
       bindata (~> 2.4, >= 2.4.4)
       bitcoin-ruby (~> 0.0, = 0.0.20)
       ffi (~> 1.9, >= 1.9.23)
-      hashie (~> 4.1, >= 3.5.7)
+      hashie (>= 3.5)
       json (~> 2.1, >= 2.1.0)
       logging (~> 2.2, >= 2.2.0)
-    json (2.5.1)
+    json (2.6.2)
     little-plugger (1.1.4)
-    logging (2.3.0)
+    logging (2.3.1)
       little-plugger (~> 1.1)
       multi_json (~> 1.14)
     multi_json (1.15.0)
     net-http-persistent (4.0.1)
       connection_pool (~> 2.2)
-    radiator (0.4.8)
+    radiator (0.4.9)
       awesome_print (~> 1.7, >= 1.7.0)
       bitcoin-ruby (= 0.0.20)
       ffi (~> 1.9, >= 1.9.18)
       hashie (>= 3.5)
-      hive-ruby (~> 1.0, >= 1.0.2)
+      hive-ruby (~> 1.0, >= 1.0.3)
       json (~> 2.0, >= 2.0.2)
       logging (~> 2.2, >= 2.2.0)
       net-http-persistent (>= 2.5.2)
-      steem-ruby (~> 0.9, >= 0.9.5)
-    rake (13.0.3)
+      steem-ruby (~> 0.9, >= 0.9.7)
+    rake (13.0.6)
     scrypt (3.0.7)
       ffi-compiler (>= 1.0, < 2.0)
-    steem-ruby (0.9.6)
+    steem-ruby (0.9.8)
       base58 (~> 0.2, >= 0.2.3)
       bindata (~> 2.4, >= 2.4.4)
       bitcoin-ruby (~> 0.0, >= 0.0.18)
       ffi (~> 1.9, >= 1.9.23)
-      hashie (~> 4.1, >= 3.5.7)
+      hashie (~> 5.0, >= 4.1.0)
       json (~> 2.1, >= 2.1.0)
       logging (~> 2.2, >= 2.2.0)
 
@@ -60,4 +60,4 @@ DEPENDENCIES
   radiator
 
 BUNDLED WITH
-   2.1.4
+   2.3.19
diff --git a/tutorials/ruby/11_submit_comment_reply/Gemfile.lock b/tutorials/ruby/11_submit_comment_reply/Gemfile.lock
index 04b53d95141241f441dfaa15d392e00b181f03d2..b4f0c6cc8ac9228a0e96c335e556c2e17b55e838 100644
--- a/tutorials/ruby/11_submit_comment_reply/Gemfile.lock
+++ b/tutorials/ruby/11_submit_comment_reply/Gemfile.lock
@@ -3,53 +3,53 @@ GEM
   specs:
     awesome_print (1.9.2)
     base58 (0.2.3)
-    bindata (2.4.8)
+    bindata (2.4.10)
     bitcoin-ruby (0.0.20)
       eventmachine
       ffi
       scrypt
-    connection_pool (2.2.3)
+    connection_pool (2.2.5)
     eventmachine (1.2.7)
-    ffi (1.15.0)
+    ffi (1.15.5)
     ffi-compiler (1.0.1)
       ffi (>= 1.0.0)
       rake
-    hashie (4.1.0)
-    hive-ruby (1.0.2)
+    hashie (5.0.0)
+    hive-ruby (1.0.4)
       base58 (~> 0.2, >= 0.2.3)
       bindata (~> 2.4, >= 2.4.4)
       bitcoin-ruby (~> 0.0, = 0.0.20)
       ffi (~> 1.9, >= 1.9.23)
-      hashie (~> 4.1, >= 3.5.7)
+      hashie (>= 3.5)
       json (~> 2.1, >= 2.1.0)
       logging (~> 2.2, >= 2.2.0)
-    json (2.5.1)
+    json (2.6.2)
     little-plugger (1.1.4)
-    logging (2.3.0)
+    logging (2.3.1)
       little-plugger (~> 1.1)
       multi_json (~> 1.14)
     multi_json (1.15.0)
     net-http-persistent (4.0.1)
       connection_pool (~> 2.2)
-    radiator (0.4.8)
+    radiator (0.4.9)
       awesome_print (~> 1.7, >= 1.7.0)
       bitcoin-ruby (= 0.0.20)
       ffi (~> 1.9, >= 1.9.18)
       hashie (>= 3.5)
-      hive-ruby (~> 1.0, >= 1.0.2)
+      hive-ruby (~> 1.0, >= 1.0.3)
       json (~> 2.0, >= 2.0.2)
       logging (~> 2.2, >= 2.2.0)
       net-http-persistent (>= 2.5.2)
-      steem-ruby (~> 0.9, >= 0.9.5)
-    rake (13.0.3)
+      steem-ruby (~> 0.9, >= 0.9.7)
+    rake (13.0.6)
     scrypt (3.0.7)
       ffi-compiler (>= 1.0, < 2.0)
-    steem-ruby (0.9.6)
+    steem-ruby (0.9.8)
       base58 (~> 0.2, >= 0.2.3)
       bindata (~> 2.4, >= 2.4.4)
       bitcoin-ruby (~> 0.0, >= 0.0.18)
       ffi (~> 1.9, >= 1.9.23)
-      hashie (~> 4.1, >= 3.5.7)
+      hashie (~> 5.0, >= 4.1.0)
       json (~> 2.1, >= 2.1.0)
       logging (~> 2.2, >= 2.2.0)
 
@@ -60,4 +60,4 @@ DEPENDENCIES
   radiator
 
 BUNDLED WITH
-   2.1.4
+   2.3.19
diff --git a/tutorials/ruby/12_edit_content_patching/Gemfile.lock b/tutorials/ruby/12_edit_content_patching/Gemfile.lock
index 2107665956fa0afa6ad7d8addf7aefcbde6a3476..9a44815396b09172e095a26dba4e948f6b1cc984 100644
--- a/tutorials/ruby/12_edit_content_patching/Gemfile.lock
+++ b/tutorials/ruby/12_edit_content_patching/Gemfile.lock
@@ -3,54 +3,54 @@ GEM
   specs:
     awesome_print (1.9.2)
     base58 (0.2.3)
-    bindata (2.4.8)
+    bindata (2.4.10)
     bitcoin-ruby (0.0.20)
       eventmachine
       ffi
       scrypt
-    connection_pool (2.2.3)
+    connection_pool (2.2.5)
     diff_match_patch (0.1.0)
     eventmachine (1.2.7)
-    ffi (1.15.0)
+    ffi (1.15.5)
     ffi-compiler (1.0.1)
       ffi (>= 1.0.0)
       rake
-    hashie (4.1.0)
-    hive-ruby (1.0.2)
+    hashie (5.0.0)
+    hive-ruby (1.0.4)
       base58 (~> 0.2, >= 0.2.3)
       bindata (~> 2.4, >= 2.4.4)
       bitcoin-ruby (~> 0.0, = 0.0.20)
       ffi (~> 1.9, >= 1.9.23)
-      hashie (~> 4.1, >= 3.5.7)
+      hashie (>= 3.5)
       json (~> 2.1, >= 2.1.0)
       logging (~> 2.2, >= 2.2.0)
-    json (2.5.1)
+    json (2.6.2)
     little-plugger (1.1.4)
-    logging (2.3.0)
+    logging (2.3.1)
       little-plugger (~> 1.1)
       multi_json (~> 1.14)
     multi_json (1.15.0)
     net-http-persistent (4.0.1)
       connection_pool (~> 2.2)
-    radiator (0.4.8)
+    radiator (0.4.9)
       awesome_print (~> 1.7, >= 1.7.0)
       bitcoin-ruby (= 0.0.20)
       ffi (~> 1.9, >= 1.9.18)
       hashie (>= 3.5)
-      hive-ruby (~> 1.0, >= 1.0.2)
+      hive-ruby (~> 1.0, >= 1.0.3)
       json (~> 2.0, >= 2.0.2)
       logging (~> 2.2, >= 2.2.0)
       net-http-persistent (>= 2.5.2)
-      steem-ruby (~> 0.9, >= 0.9.5)
-    rake (13.0.3)
+      steem-ruby (~> 0.9, >= 0.9.7)
+    rake (13.0.6)
     scrypt (3.0.7)
       ffi-compiler (>= 1.0, < 2.0)
-    steem-ruby (0.9.6)
+    steem-ruby (0.9.8)
       base58 (~> 0.2, >= 0.2.3)
       bindata (~> 2.4, >= 2.4.4)
       bitcoin-ruby (~> 0.0, >= 0.0.18)
       ffi (~> 1.9, >= 1.9.23)
-      hashie (~> 4.1, >= 3.5.7)
+      hashie (~> 5.0, >= 4.1.0)
       json (~> 2.1, >= 2.1.0)
       logging (~> 2.2, >= 2.2.0)
 
@@ -62,4 +62,4 @@ DEPENDENCIES
   radiator
 
 BUNDLED WITH
-   2.1.4
+   2.3.19
diff --git a/tutorials/ruby/13_stream_blockchain_transactions/Gemfile.lock b/tutorials/ruby/13_stream_blockchain_transactions/Gemfile.lock
index 04b53d95141241f441dfaa15d392e00b181f03d2..b4f0c6cc8ac9228a0e96c335e556c2e17b55e838 100644
--- a/tutorials/ruby/13_stream_blockchain_transactions/Gemfile.lock
+++ b/tutorials/ruby/13_stream_blockchain_transactions/Gemfile.lock
@@ -3,53 +3,53 @@ GEM
   specs:
     awesome_print (1.9.2)
     base58 (0.2.3)
-    bindata (2.4.8)
+    bindata (2.4.10)
     bitcoin-ruby (0.0.20)
       eventmachine
       ffi
       scrypt
-    connection_pool (2.2.3)
+    connection_pool (2.2.5)
     eventmachine (1.2.7)
-    ffi (1.15.0)
+    ffi (1.15.5)
     ffi-compiler (1.0.1)
       ffi (>= 1.0.0)
       rake
-    hashie (4.1.0)
-    hive-ruby (1.0.2)
+    hashie (5.0.0)
+    hive-ruby (1.0.4)
       base58 (~> 0.2, >= 0.2.3)
       bindata (~> 2.4, >= 2.4.4)
       bitcoin-ruby (~> 0.0, = 0.0.20)
       ffi (~> 1.9, >= 1.9.23)
-      hashie (~> 4.1, >= 3.5.7)
+      hashie (>= 3.5)
       json (~> 2.1, >= 2.1.0)
       logging (~> 2.2, >= 2.2.0)
-    json (2.5.1)
+    json (2.6.2)
     little-plugger (1.1.4)
-    logging (2.3.0)
+    logging (2.3.1)
       little-plugger (~> 1.1)
       multi_json (~> 1.14)
     multi_json (1.15.0)
     net-http-persistent (4.0.1)
       connection_pool (~> 2.2)
-    radiator (0.4.8)
+    radiator (0.4.9)
       awesome_print (~> 1.7, >= 1.7.0)
       bitcoin-ruby (= 0.0.20)
       ffi (~> 1.9, >= 1.9.18)
       hashie (>= 3.5)
-      hive-ruby (~> 1.0, >= 1.0.2)
+      hive-ruby (~> 1.0, >= 1.0.3)
       json (~> 2.0, >= 2.0.2)
       logging (~> 2.2, >= 2.2.0)
       net-http-persistent (>= 2.5.2)
-      steem-ruby (~> 0.9, >= 0.9.5)
-    rake (13.0.3)
+      steem-ruby (~> 0.9, >= 0.9.7)
+    rake (13.0.6)
     scrypt (3.0.7)
       ffi-compiler (>= 1.0, < 2.0)
-    steem-ruby (0.9.6)
+    steem-ruby (0.9.8)
       base58 (~> 0.2, >= 0.2.3)
       bindata (~> 2.4, >= 2.4.4)
       bitcoin-ruby (~> 0.0, >= 0.0.18)
       ffi (~> 1.9, >= 1.9.23)
-      hashie (~> 4.1, >= 3.5.7)
+      hashie (~> 5.0, >= 4.1.0)
       json (~> 2.1, >= 2.1.0)
       logging (~> 2.2, >= 2.2.0)
 
@@ -60,4 +60,4 @@ DEPENDENCIES
   radiator
 
 BUNDLED WITH
-   2.1.4
+   2.3.19
diff --git a/tutorials/ruby/14_reblogging_post/Gemfile.lock b/tutorials/ruby/14_reblogging_post/Gemfile.lock
index 04b53d95141241f441dfaa15d392e00b181f03d2..b4f0c6cc8ac9228a0e96c335e556c2e17b55e838 100644
--- a/tutorials/ruby/14_reblogging_post/Gemfile.lock
+++ b/tutorials/ruby/14_reblogging_post/Gemfile.lock
@@ -3,53 +3,53 @@ GEM
   specs:
     awesome_print (1.9.2)
     base58 (0.2.3)
-    bindata (2.4.8)
+    bindata (2.4.10)
     bitcoin-ruby (0.0.20)
       eventmachine
       ffi
       scrypt
-    connection_pool (2.2.3)
+    connection_pool (2.2.5)
     eventmachine (1.2.7)
-    ffi (1.15.0)
+    ffi (1.15.5)
     ffi-compiler (1.0.1)
       ffi (>= 1.0.0)
       rake
-    hashie (4.1.0)
-    hive-ruby (1.0.2)
+    hashie (5.0.0)
+    hive-ruby (1.0.4)
       base58 (~> 0.2, >= 0.2.3)
       bindata (~> 2.4, >= 2.4.4)
       bitcoin-ruby (~> 0.0, = 0.0.20)
       ffi (~> 1.9, >= 1.9.23)
-      hashie (~> 4.1, >= 3.5.7)
+      hashie (>= 3.5)
       json (~> 2.1, >= 2.1.0)
       logging (~> 2.2, >= 2.2.0)
-    json (2.5.1)
+    json (2.6.2)
     little-plugger (1.1.4)
-    logging (2.3.0)
+    logging (2.3.1)
       little-plugger (~> 1.1)
       multi_json (~> 1.14)
     multi_json (1.15.0)
     net-http-persistent (4.0.1)
       connection_pool (~> 2.2)
-    radiator (0.4.8)
+    radiator (0.4.9)
       awesome_print (~> 1.7, >= 1.7.0)
       bitcoin-ruby (= 0.0.20)
       ffi (~> 1.9, >= 1.9.18)
       hashie (>= 3.5)
-      hive-ruby (~> 1.0, >= 1.0.2)
+      hive-ruby (~> 1.0, >= 1.0.3)
       json (~> 2.0, >= 2.0.2)
       logging (~> 2.2, >= 2.2.0)
       net-http-persistent (>= 2.5.2)
-      steem-ruby (~> 0.9, >= 0.9.5)
-    rake (13.0.3)
+      steem-ruby (~> 0.9, >= 0.9.7)
+    rake (13.0.6)
     scrypt (3.0.7)
       ffi-compiler (>= 1.0, < 2.0)
-    steem-ruby (0.9.6)
+    steem-ruby (0.9.8)
       base58 (~> 0.2, >= 0.2.3)
       bindata (~> 2.4, >= 2.4.4)
       bitcoin-ruby (~> 0.0, >= 0.0.18)
       ffi (~> 1.9, >= 1.9.23)
-      hashie (~> 4.1, >= 3.5.7)
+      hashie (~> 5.0, >= 4.1.0)
       json (~> 2.1, >= 2.1.0)
       logging (~> 2.2, >= 2.2.0)
 
@@ -60,4 +60,4 @@ DEPENDENCIES
   radiator
 
 BUNDLED WITH
-   2.1.4
+   2.3.19
diff --git a/tutorials/ruby/15_search_accounts/Gemfile.lock b/tutorials/ruby/15_search_accounts/Gemfile.lock
index 04b53d95141241f441dfaa15d392e00b181f03d2..b4f0c6cc8ac9228a0e96c335e556c2e17b55e838 100644
--- a/tutorials/ruby/15_search_accounts/Gemfile.lock
+++ b/tutorials/ruby/15_search_accounts/Gemfile.lock
@@ -3,53 +3,53 @@ GEM
   specs:
     awesome_print (1.9.2)
     base58 (0.2.3)
-    bindata (2.4.8)
+    bindata (2.4.10)
     bitcoin-ruby (0.0.20)
       eventmachine
       ffi
       scrypt
-    connection_pool (2.2.3)
+    connection_pool (2.2.5)
     eventmachine (1.2.7)
-    ffi (1.15.0)
+    ffi (1.15.5)
     ffi-compiler (1.0.1)
       ffi (>= 1.0.0)
       rake
-    hashie (4.1.0)
-    hive-ruby (1.0.2)
+    hashie (5.0.0)
+    hive-ruby (1.0.4)
       base58 (~> 0.2, >= 0.2.3)
       bindata (~> 2.4, >= 2.4.4)
       bitcoin-ruby (~> 0.0, = 0.0.20)
       ffi (~> 1.9, >= 1.9.23)
-      hashie (~> 4.1, >= 3.5.7)
+      hashie (>= 3.5)
       json (~> 2.1, >= 2.1.0)
       logging (~> 2.2, >= 2.2.0)
-    json (2.5.1)
+    json (2.6.2)
     little-plugger (1.1.4)
-    logging (2.3.0)
+    logging (2.3.1)
       little-plugger (~> 1.1)
       multi_json (~> 1.14)
     multi_json (1.15.0)
     net-http-persistent (4.0.1)
       connection_pool (~> 2.2)
-    radiator (0.4.8)
+    radiator (0.4.9)
       awesome_print (~> 1.7, >= 1.7.0)
       bitcoin-ruby (= 0.0.20)
       ffi (~> 1.9, >= 1.9.18)
       hashie (>= 3.5)
-      hive-ruby (~> 1.0, >= 1.0.2)
+      hive-ruby (~> 1.0, >= 1.0.3)
       json (~> 2.0, >= 2.0.2)
       logging (~> 2.2, >= 2.2.0)
       net-http-persistent (>= 2.5.2)
-      steem-ruby (~> 0.9, >= 0.9.5)
-    rake (13.0.3)
+      steem-ruby (~> 0.9, >= 0.9.7)
+    rake (13.0.6)
     scrypt (3.0.7)
       ffi-compiler (>= 1.0, < 2.0)
-    steem-ruby (0.9.6)
+    steem-ruby (0.9.8)
       base58 (~> 0.2, >= 0.2.3)
       bindata (~> 2.4, >= 2.4.4)
       bitcoin-ruby (~> 0.0, >= 0.0.18)
       ffi (~> 1.9, >= 1.9.23)
-      hashie (~> 4.1, >= 3.5.7)
+      hashie (~> 5.0, >= 4.1.0)
       json (~> 2.1, >= 2.1.0)
       logging (~> 2.2, >= 2.2.0)
 
@@ -60,4 +60,4 @@ DEPENDENCIES
   radiator
 
 BUNDLED WITH
-   2.1.4
+   2.3.19
diff --git a/tutorials/ruby/16_search_tags/Gemfile.lock b/tutorials/ruby/16_search_tags/Gemfile.lock
index 04b53d95141241f441dfaa15d392e00b181f03d2..b4f0c6cc8ac9228a0e96c335e556c2e17b55e838 100644
--- a/tutorials/ruby/16_search_tags/Gemfile.lock
+++ b/tutorials/ruby/16_search_tags/Gemfile.lock
@@ -3,53 +3,53 @@ GEM
   specs:
     awesome_print (1.9.2)
     base58 (0.2.3)
-    bindata (2.4.8)
+    bindata (2.4.10)
     bitcoin-ruby (0.0.20)
       eventmachine
       ffi
       scrypt
-    connection_pool (2.2.3)
+    connection_pool (2.2.5)
     eventmachine (1.2.7)
-    ffi (1.15.0)
+    ffi (1.15.5)
     ffi-compiler (1.0.1)
       ffi (>= 1.0.0)
       rake
-    hashie (4.1.0)
-    hive-ruby (1.0.2)
+    hashie (5.0.0)
+    hive-ruby (1.0.4)
       base58 (~> 0.2, >= 0.2.3)
       bindata (~> 2.4, >= 2.4.4)
       bitcoin-ruby (~> 0.0, = 0.0.20)
       ffi (~> 1.9, >= 1.9.23)
-      hashie (~> 4.1, >= 3.5.7)
+      hashie (>= 3.5)
       json (~> 2.1, >= 2.1.0)
       logging (~> 2.2, >= 2.2.0)
-    json (2.5.1)
+    json (2.6.2)
     little-plugger (1.1.4)
-    logging (2.3.0)
+    logging (2.3.1)
       little-plugger (~> 1.1)
       multi_json (~> 1.14)
     multi_json (1.15.0)
     net-http-persistent (4.0.1)
       connection_pool (~> 2.2)
-    radiator (0.4.8)
+    radiator (0.4.9)
       awesome_print (~> 1.7, >= 1.7.0)
       bitcoin-ruby (= 0.0.20)
       ffi (~> 1.9, >= 1.9.18)
       hashie (>= 3.5)
-      hive-ruby (~> 1.0, >= 1.0.2)
+      hive-ruby (~> 1.0, >= 1.0.3)
       json (~> 2.0, >= 2.0.2)
       logging (~> 2.2, >= 2.2.0)
       net-http-persistent (>= 2.5.2)
-      steem-ruby (~> 0.9, >= 0.9.5)
-    rake (13.0.3)
+      steem-ruby (~> 0.9, >= 0.9.7)
+    rake (13.0.6)
     scrypt (3.0.7)
       ffi-compiler (>= 1.0, < 2.0)
-    steem-ruby (0.9.6)
+    steem-ruby (0.9.8)
       base58 (~> 0.2, >= 0.2.3)
       bindata (~> 2.4, >= 2.4.4)
       bitcoin-ruby (~> 0.0, >= 0.0.18)
       ffi (~> 1.9, >= 1.9.23)
-      hashie (~> 4.1, >= 3.5.7)
+      hashie (~> 5.0, >= 4.1.0)
       json (~> 2.1, >= 2.1.0)
       logging (~> 2.2, >= 2.2.0)
 
@@ -60,4 +60,4 @@ DEPENDENCIES
   radiator
 
 BUNDLED WITH
-   2.1.4
+   2.3.19
diff --git a/tutorials/ruby/17_vote_on_content/Gemfile.lock b/tutorials/ruby/17_vote_on_content/Gemfile.lock
index 04b53d95141241f441dfaa15d392e00b181f03d2..b4f0c6cc8ac9228a0e96c335e556c2e17b55e838 100644
--- a/tutorials/ruby/17_vote_on_content/Gemfile.lock
+++ b/tutorials/ruby/17_vote_on_content/Gemfile.lock
@@ -3,53 +3,53 @@ GEM
   specs:
     awesome_print (1.9.2)
     base58 (0.2.3)
-    bindata (2.4.8)
+    bindata (2.4.10)
     bitcoin-ruby (0.0.20)
       eventmachine
       ffi
       scrypt
-    connection_pool (2.2.3)
+    connection_pool (2.2.5)
     eventmachine (1.2.7)
-    ffi (1.15.0)
+    ffi (1.15.5)
     ffi-compiler (1.0.1)
       ffi (>= 1.0.0)
       rake
-    hashie (4.1.0)
-    hive-ruby (1.0.2)
+    hashie (5.0.0)
+    hive-ruby (1.0.4)
       base58 (~> 0.2, >= 0.2.3)
       bindata (~> 2.4, >= 2.4.4)
       bitcoin-ruby (~> 0.0, = 0.0.20)
       ffi (~> 1.9, >= 1.9.23)
-      hashie (~> 4.1, >= 3.5.7)
+      hashie (>= 3.5)
       json (~> 2.1, >= 2.1.0)
       logging (~> 2.2, >= 2.2.0)
-    json (2.5.1)
+    json (2.6.2)
     little-plugger (1.1.4)
-    logging (2.3.0)
+    logging (2.3.1)
       little-plugger (~> 1.1)
       multi_json (~> 1.14)
     multi_json (1.15.0)
     net-http-persistent (4.0.1)
       connection_pool (~> 2.2)
-    radiator (0.4.8)
+    radiator (0.4.9)
       awesome_print (~> 1.7, >= 1.7.0)
       bitcoin-ruby (= 0.0.20)
       ffi (~> 1.9, >= 1.9.18)
       hashie (>= 3.5)
-      hive-ruby (~> 1.0, >= 1.0.2)
+      hive-ruby (~> 1.0, >= 1.0.3)
       json (~> 2.0, >= 2.0.2)
       logging (~> 2.2, >= 2.2.0)
       net-http-persistent (>= 2.5.2)
-      steem-ruby (~> 0.9, >= 0.9.5)
-    rake (13.0.3)
+      steem-ruby (~> 0.9, >= 0.9.7)
+    rake (13.0.6)
     scrypt (3.0.7)
       ffi-compiler (>= 1.0, < 2.0)
-    steem-ruby (0.9.6)
+    steem-ruby (0.9.8)
       base58 (~> 0.2, >= 0.2.3)
       bindata (~> 2.4, >= 2.4.4)
       bitcoin-ruby (~> 0.0, >= 0.0.18)
       ffi (~> 1.9, >= 1.9.23)
-      hashie (~> 4.1, >= 3.5.7)
+      hashie (~> 5.0, >= 4.1.0)
       json (~> 2.1, >= 2.1.0)
       logging (~> 2.2, >= 2.2.0)
 
@@ -60,4 +60,4 @@ DEPENDENCIES
   radiator
 
 BUNDLED WITH
-   2.1.4
+   2.3.19
diff --git a/tutorials/ruby/18_follow_another_user/Gemfile.lock b/tutorials/ruby/18_follow_another_user/Gemfile.lock
index 04b53d95141241f441dfaa15d392e00b181f03d2..b4f0c6cc8ac9228a0e96c335e556c2e17b55e838 100644
--- a/tutorials/ruby/18_follow_another_user/Gemfile.lock
+++ b/tutorials/ruby/18_follow_another_user/Gemfile.lock
@@ -3,53 +3,53 @@ GEM
   specs:
     awesome_print (1.9.2)
     base58 (0.2.3)
-    bindata (2.4.8)
+    bindata (2.4.10)
     bitcoin-ruby (0.0.20)
       eventmachine
       ffi
       scrypt
-    connection_pool (2.2.3)
+    connection_pool (2.2.5)
     eventmachine (1.2.7)
-    ffi (1.15.0)
+    ffi (1.15.5)
     ffi-compiler (1.0.1)
       ffi (>= 1.0.0)
       rake
-    hashie (4.1.0)
-    hive-ruby (1.0.2)
+    hashie (5.0.0)
+    hive-ruby (1.0.4)
       base58 (~> 0.2, >= 0.2.3)
       bindata (~> 2.4, >= 2.4.4)
       bitcoin-ruby (~> 0.0, = 0.0.20)
       ffi (~> 1.9, >= 1.9.23)
-      hashie (~> 4.1, >= 3.5.7)
+      hashie (>= 3.5)
       json (~> 2.1, >= 2.1.0)
       logging (~> 2.2, >= 2.2.0)
-    json (2.5.1)
+    json (2.6.2)
     little-plugger (1.1.4)
-    logging (2.3.0)
+    logging (2.3.1)
       little-plugger (~> 1.1)
       multi_json (~> 1.14)
     multi_json (1.15.0)
     net-http-persistent (4.0.1)
       connection_pool (~> 2.2)
-    radiator (0.4.8)
+    radiator (0.4.9)
       awesome_print (~> 1.7, >= 1.7.0)
       bitcoin-ruby (= 0.0.20)
       ffi (~> 1.9, >= 1.9.18)
       hashie (>= 3.5)
-      hive-ruby (~> 1.0, >= 1.0.2)
+      hive-ruby (~> 1.0, >= 1.0.3)
       json (~> 2.0, >= 2.0.2)
       logging (~> 2.2, >= 2.2.0)
       net-http-persistent (>= 2.5.2)
-      steem-ruby (~> 0.9, >= 0.9.5)
-    rake (13.0.3)
+      steem-ruby (~> 0.9, >= 0.9.7)
+    rake (13.0.6)
     scrypt (3.0.7)
       ffi-compiler (>= 1.0, < 2.0)
-    steem-ruby (0.9.6)
+    steem-ruby (0.9.8)
       base58 (~> 0.2, >= 0.2.3)
       bindata (~> 2.4, >= 2.4.4)
       bitcoin-ruby (~> 0.0, >= 0.0.18)
       ffi (~> 1.9, >= 1.9.23)
-      hashie (~> 4.1, >= 3.5.7)
+      hashie (~> 5.0, >= 4.1.0)
       json (~> 2.1, >= 2.1.0)
       logging (~> 2.2, >= 2.2.0)
 
@@ -60,4 +60,4 @@ DEPENDENCIES
   radiator
 
 BUNDLED WITH
-   2.1.4
+   2.3.19
diff --git a/tutorials/ruby/19_get_follower_and_following_list/Gemfile.lock b/tutorials/ruby/19_get_follower_and_following_list/Gemfile.lock
index 04b53d95141241f441dfaa15d392e00b181f03d2..b4f0c6cc8ac9228a0e96c335e556c2e17b55e838 100644
--- a/tutorials/ruby/19_get_follower_and_following_list/Gemfile.lock
+++ b/tutorials/ruby/19_get_follower_and_following_list/Gemfile.lock
@@ -3,53 +3,53 @@ GEM
   specs:
     awesome_print (1.9.2)
     base58 (0.2.3)
-    bindata (2.4.8)
+    bindata (2.4.10)
     bitcoin-ruby (0.0.20)
       eventmachine
       ffi
       scrypt
-    connection_pool (2.2.3)
+    connection_pool (2.2.5)
     eventmachine (1.2.7)
-    ffi (1.15.0)
+    ffi (1.15.5)
     ffi-compiler (1.0.1)
       ffi (>= 1.0.0)
       rake
-    hashie (4.1.0)
-    hive-ruby (1.0.2)
+    hashie (5.0.0)
+    hive-ruby (1.0.4)
       base58 (~> 0.2, >= 0.2.3)
       bindata (~> 2.4, >= 2.4.4)
       bitcoin-ruby (~> 0.0, = 0.0.20)
       ffi (~> 1.9, >= 1.9.23)
-      hashie (~> 4.1, >= 3.5.7)
+      hashie (>= 3.5)
       json (~> 2.1, >= 2.1.0)
       logging (~> 2.2, >= 2.2.0)
-    json (2.5.1)
+    json (2.6.2)
     little-plugger (1.1.4)
-    logging (2.3.0)
+    logging (2.3.1)
       little-plugger (~> 1.1)
       multi_json (~> 1.14)
     multi_json (1.15.0)
     net-http-persistent (4.0.1)
       connection_pool (~> 2.2)
-    radiator (0.4.8)
+    radiator (0.4.9)
       awesome_print (~> 1.7, >= 1.7.0)
       bitcoin-ruby (= 0.0.20)
       ffi (~> 1.9, >= 1.9.18)
       hashie (>= 3.5)
-      hive-ruby (~> 1.0, >= 1.0.2)
+      hive-ruby (~> 1.0, >= 1.0.3)
       json (~> 2.0, >= 2.0.2)
       logging (~> 2.2, >= 2.2.0)
       net-http-persistent (>= 2.5.2)
-      steem-ruby (~> 0.9, >= 0.9.5)
-    rake (13.0.3)
+      steem-ruby (~> 0.9, >= 0.9.7)
+    rake (13.0.6)
     scrypt (3.0.7)
       ffi-compiler (>= 1.0, < 2.0)
-    steem-ruby (0.9.6)
+    steem-ruby (0.9.8)
       base58 (~> 0.2, >= 0.2.3)
       bindata (~> 2.4, >= 2.4.4)
       bitcoin-ruby (~> 0.0, >= 0.0.18)
       ffi (~> 1.9, >= 1.9.23)
-      hashie (~> 4.1, >= 3.5.7)
+      hashie (~> 5.0, >= 4.1.0)
       json (~> 2.1, >= 2.1.0)
       logging (~> 2.2, >= 2.2.0)
 
@@ -60,4 +60,4 @@ DEPENDENCIES
   radiator
 
 BUNDLED WITH
-   2.1.4
+   2.3.19
diff --git a/tutorials/ruby/32_convert_hbd_to_hive/Gemfile.lock b/tutorials/ruby/32_convert_hbd_to_hive/Gemfile.lock
index b1c4aeb6f0188dcb2c873c4012c17ef0e959749b..b4f0c6cc8ac9228a0e96c335e556c2e17b55e838 100644
--- a/tutorials/ruby/32_convert_hbd_to_hive/Gemfile.lock
+++ b/tutorials/ruby/32_convert_hbd_to_hive/Gemfile.lock
@@ -10,12 +10,12 @@ GEM
       scrypt
     connection_pool (2.2.5)
     eventmachine (1.2.7)
-    ffi (1.15.3)
+    ffi (1.15.5)
     ffi-compiler (1.0.1)
       ffi (>= 1.0.0)
       rake
-    hashie (4.1.0)
-    hive-ruby (1.0.3)
+    hashie (5.0.0)
+    hive-ruby (1.0.4)
       base58 (~> 0.2, >= 0.2.3)
       bindata (~> 2.4, >= 2.4.4)
       bitcoin-ruby (~> 0.0, = 0.0.20)
@@ -23,33 +23,33 @@ GEM
       hashie (>= 3.5)
       json (~> 2.1, >= 2.1.0)
       logging (~> 2.2, >= 2.2.0)
-    json (2.5.1)
+    json (2.6.2)
     little-plugger (1.1.4)
-    logging (2.3.0)
+    logging (2.3.1)
       little-plugger (~> 1.1)
       multi_json (~> 1.14)
     multi_json (1.15.0)
     net-http-persistent (4.0.1)
       connection_pool (~> 2.2)
-    radiator (0.4.8)
+    radiator (0.4.9)
       awesome_print (~> 1.7, >= 1.7.0)
       bitcoin-ruby (= 0.0.20)
       ffi (~> 1.9, >= 1.9.18)
       hashie (>= 3.5)
-      hive-ruby (~> 1.0, >= 1.0.2)
+      hive-ruby (~> 1.0, >= 1.0.3)
       json (~> 2.0, >= 2.0.2)
       logging (~> 2.2, >= 2.2.0)
       net-http-persistent (>= 2.5.2)
-      steem-ruby (~> 0.9, >= 0.9.5)
-    rake (13.0.3)
+      steem-ruby (~> 0.9, >= 0.9.7)
+    rake (13.0.6)
     scrypt (3.0.7)
       ffi-compiler (>= 1.0, < 2.0)
-    steem-ruby (0.9.6)
+    steem-ruby (0.9.8)
       base58 (~> 0.2, >= 0.2.3)
       bindata (~> 2.4, >= 2.4.4)
       bitcoin-ruby (~> 0.0, >= 0.0.18)
       ffi (~> 1.9, >= 1.9.23)
-      hashie (~> 4.1, >= 3.5.7)
+      hashie (~> 5.0, >= 4.1.0)
       json (~> 2.1, >= 2.1.0)
       logging (~> 2.2, >= 2.2.0)
 
@@ -60,4 +60,4 @@ DEPENDENCIES
   radiator
 
 BUNDLED WITH
-   2.1.4
+   2.3.19