diff --git a/web3.js/.travis.yml b/web3.js/.travis.yml
index 8229226a0d..39604a27a6 100644
--- a/web3.js/.travis.yml
+++ b/web3.js/.travis.yml
@@ -12,6 +12,10 @@ cache:
   directories:
     - ~/.npm
 
+branches:
+  only:
+    - master
+
 notifications:
   email: false