diff --git a/.travis.yml b/.travis.yml
index 364e4d9..27a1413 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -59,6 +59,10 @@ install:
 script:
   - bash ci/script.sh
 
+branches:
+  only:
+    - master
+
 notifications:
   email:
     on_success: never