diff --git a/.travis.yml b/.travis.yml
index a5fa5f9d..d5713121 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -52,7 +52,7 @@ jobs:
       env : BROWSER=safari
       os: osx
       # test on an older safari
-      osx_image: xcode6.4
+      osx_image: xcode7.3
     - stage: deploy
       os: linux
       script: skip