diff --git a/.travis.yml b/.travis.yml
index aa4d61f8532..c8dfa2b73bb 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -14,6 +14,10 @@ addons:
     packages:
       - libstdc++6
 
+branches:
+  only:
+  - master
+
 env:
   global:
   - LOGS_DIR=/tmp/angular-material2-build/logs