diff --git a/.travis.yml b/.travis.yml
index ff902df..0ecd017 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -5,6 +5,9 @@ before_install:
   - gem update --system
   - gem install bundler
 cache: bundler
+branches:
+  only:
+    - master
 matrix:
   include:
   - rvm: 2.3.8