diff --git a/.travis.yml b/.travis.yml
index f0f4a67715..c77f2ae3cf 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -3,22 +3,9 @@
 
 matrix:
   include:
-    - os: linux
-      language: cpp
-      compiler: clang
-    - os: linux
-      language: cpp
-      compiler: gcc
-    - os: osx
-      language: cpp
-      compiler: clang
     - os: osx
       language: cpp
       compiler: gcc
-    - os: osx
-      language: cpp
-      compiler: clang
-      osx_image: xcode9.1
 
 env:
   - OPTIONS="-DCMAKE_BUILD_TYPE=Release -DOCIO_BUILD_TESTS=yes -DOCIO_BUILD_DOCS=yes"
@@ -35,6 +22,10 @@ before_install:
   - if [[ "$TRAVIS_OS_NAME" == "osx" ]]; then
       brew update;
       brew install glew;
+      echo 'eval "$(pyenv init -)"' >> .bash_profile;
+      source .bash_profile;
+      pyenv install 3.5.2;
+      pyenv global 3.5.2;
     fi
 
 # Run the Build script