diff --git a/appveyor.yml b/appveyor.yml
index 880b94401e..adc7eaaf1f 100644
--- a/appveyor.yml
+++ b/appveyor.yml
@@ -1,4 +1,8 @@
 # Test against this version of Node.js
+branches:
+  only:
+    - master
+
 environment:
   nodejs_version: "5"