diff --git a/.github/workflows/Automerge.yml b/.github/workflows/Automerge.yml
index 228632e..7e0bb99 100644
--- a/.github/workflows/Automerge.yml
+++ b/.github/workflows/Automerge.yml
@@ -1,5 +1,9 @@
 name: Automerge
 
+concurrency:
+  group: ${{ github.repository }}-${{ github.workflow }}-${{ github.ref }}
+  cancel-in-progress: true
+
 on:
   pull_request:
   push: