diff --git a/.github/workflows/differential-shellcheck.yml b/.github/workflows/differential-shellcheck.yml
index ce753c41..3e089159 100644
--- a/.github/workflows/differential-shellcheck.yml
+++ b/.github/workflows/differential-shellcheck.yml
@@ -4,6 +4,7 @@ name: Differential ShellCheck
 
 on:
   push:
+    branches: [ main, rhel*-branch ]
   pull_request:
     branches: [ main, rhel*-branch ]