diff --git a/appveyor.yml b/appveyor.yml
index e53c359a..0efc2169 100644
--- a/appveyor.yml
+++ b/appveyor.yml
@@ -1,5 +1,9 @@
 version: 1.0.{build}
 
+branches:
+  only:
+  - master
+
 skip_tags: true
 
 install: