diff --git a/.github/workflows/deploy.yml b/.github/workflows/deploy.yml
index c2e5fe47b..b024503b9 100644
--- a/.github/workflows/deploy.yml
+++ b/.github/workflows/deploy.yml
@@ -2,6 +2,10 @@ name: Build mkdocs and deploy to GitHub Pages
 
 on: [push, pull_request]
 
+concurrency:
+  group: ${{ github.ref }}
+  cancel-in-progress: true
+
 jobs:
 
   build: