diff --git a/.travis.yml b/.travis.yml
index 4329ca7a..48c28dc5 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -44,6 +44,10 @@ matrix:
       compiler: clang
       env: COMPILER=clang LIBTOOLIZE=glibtoolize
 
+branches:
+  only:
+    - master
+
 osx_image: xcode7.3
 
 cache: