diff --git a/.github/workflows/Auto_Review.yml b/.github/workflows/Auto_Review.yml
index 429e6743f..07e749b19 100644
--- a/.github/workflows/Auto_Review.yml
+++ b/.github/workflows/Auto_Review.yml
@@ -1,5 +1,7 @@
 name: 'Auto Reviewer'
-on: pull_request
+on:
+  pull_request:
+    types: [opened, reopened]
 
 jobs:
   add-reviews:
@@ -7,4 +9,4 @@ jobs:
     steps:
       - uses: kentaro-m/auto-assign-action@v1.1.2
         with:
-          configuration-path: ".github/auto_assign.yml"
\ No newline at end of file
+          configuration-path: ".github/auto_assign.yml"