diff --git a/.travis.yml b/.travis.yml
index 5c4224f..a2aa808 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -1,5 +1,8 @@
 language: objective-c
 osx_image: xcode7.2
+branches:
+  only:
+    - master
 
 before_install:
   - rvm use $RVM_RUBY_VERSION