diff --git a/.github/workflows/push.yml b/.github/workflows/_push.yml
similarity index 99%
rename from .github/workflows/push.yml
rename to .github/workflows/_push.yml
index bed9377bb..f0c753f25 100644
--- a/.github/workflows/push.yml
+++ b/.github/workflows/_push.yml
@@ -8,7 +8,7 @@ name: push CI
 
 on:
   push:
-    branches: [ ]
+    branches: [ master ]
     paths:
       - '.github/workflows/push.yml'
       - 'stack*.yaml'