diff --git a/.github/workflows/main.yml b/.github/workflows/main.yml
index f598baf..21c938e 100644
--- a/.github/workflows/main.yml
+++ b/.github/workflows/main.yml
@@ -1,3 +1,7 @@
+concurrency:
+  group: deploy_to_cloud_functions
+  cancel-in-progress: true
+
 on:
   push:
     branches: