diff --git a/.github/workflows/macos-arm.yml b/.github/workflows/macos-arm.yml
index 8edc051df4ea..e1f24114c980 100644
--- a/.github/workflows/macos-arm.yml
+++ b/.github/workflows/macos-arm.yml
@@ -24,7 +24,7 @@ on:
             - 'Utilities/Maintenance/**'
 
 concurrency:
-  group: '${{ github.workflow }}@${{ github.event.pull_request.head.sha || github.head_ref || github.ref }}'
+  group: '${{ github.workflow }}@${{ github.head_ref || github.ref }}'
   cancel-in-progress: ${{ github.event_name == 'pull_request' }}
 
 env:
diff --git a/.github/workflows/pixi.yml b/.github/workflows/pixi.yml
index 5f3f114438d5..24605d4e9092 100644
--- a/.github/workflows/pixi.yml
+++ b/.github/workflows/pixi.yml
@@ -24,7 +24,7 @@ on:
             - 'Utilities/Maintenance/**'
 
 concurrency:
-  group: '${{ github.workflow }}@${{ github.event.pull_request.head.sha || github.head_ref || github.ref }}'
+  group: '${{ github.workflow }}@${{ github.head_ref || github.ref }}'
   cancel-in-progress: ${{ github.event_name == 'pull_request' }}
 
 env: