diff --git a/.github/workflows/main.yml b/.github/workflows/main.yml
index 2e43f82..fe22d8c 100644
--- a/.github/workflows/main.yml
+++ b/.github/workflows/main.yml
@@ -6,6 +6,7 @@ on:
   pull_request:
     branches:
       - master
+concurrency: deploy
 jobs:
   deploy:
     runs-on: ubuntu-latest