diff --git a/.github/workflows/assing-pr-to-author.yml b/.github/workflows/assing-pr-to-author.yml
index 3cf7226c..37af3ceb 100644
--- a/.github/workflows/assing-pr-to-author.yml
+++ b/.github/workflows/assing-pr-to-author.yml
@@ -3,6 +3,10 @@ on:
   pull_request:
     types: [opened, ready_for_review, edited, synchronize]
 
+concurrency:
+  group: ${{ github.workflow }}-${{ github.head_ref || github.run_id }}
+  cancel-in-progress: true
+
 jobs:
   assignAuthor:
     name: Assing