diff --git a/.github/workflows/release-notification-pr-opened.yml b/.github/workflows/release-notification-pr-opened.yml
index b86e0ba..ebed71e 100644
--- a/.github/workflows/release-notification-pr-opened.yml
+++ b/.github/workflows/release-notification-pr-opened.yml
@@ -2,11 +2,11 @@ name: Release Notification on PR Opened
 
 on:
   pull_request:
-    types: [opened, reopened]
+    branches:
+      - 'release-*'
 
 jobs:
   notify:
-    if: startsWith(github.event.pull_request.head.ref, 'release-')
     runs-on: ubuntu-latest
     steps:
       - name: Install jq
diff --git a/.github/workflows/release-notification-pr-synchronize.yml b/.github/workflows/release-notification-pr-synchronize.yml
index e6bc75e..0347474 100644
--- a/.github/workflows/release-notification-pr-synchronize.yml
+++ b/.github/workflows/release-notification-pr-synchronize.yml
@@ -2,11 +2,12 @@ name: Release Notification on PR Updated
 
 on:
   pull_request:
-    types: [synchronize]
+    branches:
+      - 'release-*'
 
 jobs:
   notify:
-    if: startsWith(github.event.pull_request.head.ref, 'release-')
+    if: github.event.action == 'synchronize'
     runs-on: ubuntu-latest
     steps:
       - name: Install jq