diff --git a/.github/workflows/master.yml b/.github/workflows/master.yml
index e77edf2e0..c4a68ca2b 100644
--- a/.github/workflows/master.yml
+++ b/.github/workflows/master.yml
@@ -3,6 +3,8 @@ name: CI
 on:
   pull_request:
   push:
+    branches:
+      - master
 
 jobs:
   cabal: