diff --git a/appveyor.yml b/appveyor.yml
index 8a0eea75..edf8748f 100644
--- a/appveyor.yml
+++ b/appveyor.yml
@@ -1,5 +1,8 @@
 # Appveyor configuration file for bash build of packs
 version: '{build}'
+branches:
+  only:
+    - master
 environment:
     # It's prefered to have the GithubAuthToken (encrypted) set in the UI. Follow this guide for the instructions https://www.appveyor.com/docs/deployment/github/#provider-settings.
     CommitTimestamp: 0