diff --git a/.travis.yml b/.travis.yml
index 7c541e28a..2a3afd1d5 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -16,14 +16,17 @@ cache: pip
 matrix:
   include:
   - os: osx
+    osx_image: xcode7.3
     language: ruby
     rvm: 2.4.0
     env: PYTHON_VER=2.7.10
   - os: osx
+    osx_image: xcode7.3
     language: ruby
     rvm: 2.4.0
     env: PYTHON_VER=3.4.3
   - os: osx
+    osx_image: xcode7.3
     language: ruby
     rvm: 2.4.0
     env: PYTHON_VER=3.5.0