diff --git a/.appveyor.yml b/.appveyor.yml
index eac7a36c..b14fe0a8 100644
--- a/.appveyor.yml
+++ b/.appveyor.yml
@@ -3,6 +3,10 @@ version: 1.0.{build}
 image: Visual Studio 2015
 platform: x64
 
+branches:
+  only:
+    - master
+
 environment:
   matrix:
   - COMPILER: msys2