diff --git a/.github/workflows/enforce-license-compliance.yml b/.github/workflows/enforce-license-compliance.yml
index 01e02ccb8b..ef79ed112b 100644
--- a/.github/workflows/enforce-license-compliance.yml
+++ b/.github/workflows/enforce-license-compliance.yml
@@ -8,10 +8,11 @@ on:
       - release/*
       - sentry-sdk-2.0
   pull_request:
-    branches:
-      - master
-      - main
-      - sentry-sdk-2.0
+
+# Cancel in progress workflows on pull_requests.
+# https://docs.github.com/en/actions/using-jobs/using-concurrency#example-using-a-fallback-value
+concurrency:
+  group: ${{ github.workflow }}-${{ github.head_ref || github.run_id }}
 
 jobs:
   enforce-license-compliance: