diff --git a/Dockerfile b/Dockerfile
index 168639e445590bd6b2c60ce21a20440585790370..46d4677a3e45531aa7fb03aaf9444564cecbf7b8 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -92,7 +92,7 @@ RUN \
 
 WORKDIR /app
 
-RUN pipenv install --dev
+RUN pipenv install --dev # && pipenv graph # for debugging
 
 RUN chown -R www-data . && \
     apt-get remove -y \
diff --git a/Pipfile b/Pipfile
index ad580175866db1894519091fc7fa0126d9ea5f8b..09c16a520bb133b8b0b757cef6c42d1796bd3507 100644
--- a/Pipfile
+++ b/Pipfile
@@ -1,5 +1,5 @@
 [[source]]
-url = "https://pypi.python.org/simple"
+url = "https://pypi.org/simple"
 verify_ssl = true
 
 [dev-packages]
@@ -31,7 +31,7 @@ pytest-cov = "==2.6.0"
 pytest-docker = "==0.6.1"
 pytest-mock = "==1.10.0"
 pytest-profiling = "*"
-pytest-pylint = "*"
+pytest-pylint = "==0.14.1"
 pytest-sanic = "==0.1.13"
 pytest-timeout = "*"
 python-rapidjson = "*"