diff --git a/.travis.yml b/.travis.yml
index 9f7750e422a53eca693b786748fd1e6d08658f72..ea3293e7b7f8b24c495aa442b0ed47cea54fe341 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -30,44 +30,44 @@ matrix:
 
     # default builds for MacOS
     - os: osx
-      osx_image: xcode8.3
+      osx_image: xcode7.3
       env:
         - MB_PYTHON_VERSION=2.7
         - ENABLE_CONTRIB=0
     - os: osx
-      osx_image: xcode8.3
+      osx_image: xcode7.3
       env:
         - MB_PYTHON_VERSION=3.4
         - ENABLE_CONTRIB=0
     - os: osx
-      osx_image: xcode8.3
+      osx_image: xcode7.3
       env:
         - MB_PYTHON_VERSION=3.5
         - ENABLE_CONTRIB=0
     - os: osx
-      osx_image: xcode8.3
+      osx_image: xcode7.3
       env:
         - MB_PYTHON_VERSION=3.6
         - ENABLE_CONTRIB=0
 
     # Contrib builds for MacOS
     - os: osx
-      osx_image: xcode8.3
+      osx_image: xcode7.3
       env:
         - MB_PYTHON_VERSION=2.7
         - ENABLE_CONTRIB=1
     - os: osx
-      osx_image: xcode8.3
+      osx_image: xcode7.3
       env:
         - MB_PYTHON_VERSION=3.4
         - ENABLE_CONTRIB=1
     - os: osx
-      osx_image: xcode8.3
+      osx_image: xcode7.3
       env:
         - MB_PYTHON_VERSION=3.5
         - ENABLE_CONTRIB=1
     - os: osx
-      osx_image: xcode8.3
+      osx_image: xcode7.3
       env:
         - MB_PYTHON_VERSION=3.6
         - ENABLE_CONTRIB=1