diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index aac843b..a059432 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -2,6 +2,7 @@ name: Core CI
 
 on:
   push:
+    branches: [ master ]
   pull_request:
     branches: [ master ]