diff --git a/.travis.yml b/.travis.yml
index ded0e9b6c94841b4abb7eec96700af8c4d2a4c3b..ab21842912f3e007d48f3a17da7e84ce8568596e 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -38,7 +38,7 @@ matrix:
       env:
         - TOXENV=short
     - os: osx
-      osx_image: xcode9.2
+      osx_image: xcode9.3
       language: objective-c
       env:
         - TRAVIS_PYTHON_VERSION=3.6
diff --git a/util/travis_osx_install.sh b/util/travis_osx_install.sh
index 525175d9ad116536ece7b0a4e20ed3c87910bfc8..3a3c04b1739681b43afcb29adefbc56accfd6cc1 100644
--- a/util/travis_osx_install.sh
+++ b/util/travis_osx_install.sh
@@ -1,8 +1,8 @@
 #!/bin/bash
 brew update
 brew install ccache
-# brew outdated openssl || brew upgrade openssl
-# brew install openssl@1.1
+brew outdated openssl || brew upgrade openssl
+brew install openssl@1.1
 
 export CFLAGS="-I$(brew --prefix openssl)/include $CFLAGS"
 export LDFLAGS="-L$(brew --prefix openssl)/lib $LDFLAGS"