diff --git a/.github/workflows/CD_preview.yml b/.github/workflows/CD_preview.yml
index 84b25c35..73888ae3 100644
--- a/.github/workflows/CD_preview.yml
+++ b/.github/workflows/CD_preview.yml
@@ -2,7 +2,9 @@ name: Preview deploy to Cloud Run
 
 on:
   pull_request:
-    types: [opened, synchronize, reopened, closed]
+    types: [ opened, synchronize, reopened, closed ]
+    branches-ignore:
+      - production
 
 jobs:
   deploy-preview: