diff --git a/.github/workflows/release-workflow.yml b/.github/workflows/release-workflow.yml
index 77779742c..9559784b9 100644
--- a/.github/workflows/release-workflow.yml
+++ b/.github/workflows/release-workflow.yml
@@ -4,6 +4,8 @@ on:
   pull_request:
     types:
       - closed
+    branches:
+        - 'release/**'
 
 jobs:
   if_merged: