diff --git a/npm/.travis.yml b/npm/.travis.yml
index 9dbea0f239f..74c248d30a9 100644
--- a/npm/.travis.yml
+++ b/npm/.travis.yml
@@ -8,3 +8,6 @@ node_js:
 - '4'
 - '5'
 - '6'
+branches:
+  only:
+  - master