diff --git a/.github/workflows/main.yml b/.github/workflows/main.yml
index 91fb653a398..4b6521d1757 100644
--- a/.github/workflows/main.yml
+++ b/.github/workflows/main.yml
@@ -18,7 +18,7 @@ on:
 # on PRs that are pushed to multiple times in rapid succession.
 concurrency:
   group: ${{github.workflow}}-${{github.ref}}
-  cancel-in-progress: true
+  cancel-in-progress: ${{github.event_name == 'pull_request'}}
 
 jobs:
   decision: