diff --git a/.github/workflows/master_pull_request.yml b/.github/workflows/master_pull_request.yml
index 96da333..874f247 100644
--- a/.github/workflows/master_pull_request.yml
+++ b/.github/workflows/master_pull_request.yml
@@ -2,7 +2,7 @@ name: Master pull request CI
 
 on:
   pull_request:
-    branches: [ master ]
+    branches: [ master, release-* ]
 
 concurrency:
   group: ${{ github.workflow }}-${{ github.head_ref || github.run_id }}