diff --git a/website/.github/workflows/deploy.yml b/website/.github/workflows/deploy.yml
index 4cec6cfc5..979b19947 100644
--- a/website/.github/workflows/deploy.yml
+++ b/website/.github/workflows/deploy.yml
@@ -21,6 +21,10 @@ on:
   # Allows you to run this workflow manually from the Actions tab
   workflow_dispatch:
 
+concurrency:
+  # We only want to run one deploy job at a time.
+  group: main
+
 jobs:
   deploy:
     runs-on: ubuntu-latest