diff --git a/.travis.yml b/.travis.yml
index 0bbee62..9766dc3 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -21,7 +21,9 @@
 # SOFTWARE.
 
 os: osx
-osx_image: xcode8.2
+osx_image: 
+  - xcode8
+  - xcode8.2
 language: c
 before_install:
   - brew update