diff --git a/.github/workflows/check-backport-changelog.yml b/.github/workflows/check-backport-changelog.yml
index 99d7e1ca5b53a..e74231b5d1472 100644
--- a/.github/workflows/check-backport-changelog.yml
+++ b/.github/workflows/check-backport-changelog.yml
@@ -3,6 +3,8 @@ name: Verify Core Backport Changlog
 on:
     pull_request:
         types: [opened, synchronize, labeled, unlabeled]
+        branches:
+            - trunk
         paths:
             - 'lib/**'
             - '!lib/load.php'
diff --git a/.github/workflows/check-components-changelog.yml b/.github/workflows/check-components-changelog.yml
index ccc6efac3c378..80d97c0c566e8 100644
--- a/.github/workflows/check-components-changelog.yml
+++ b/.github/workflows/check-components-changelog.yml
@@ -3,6 +3,8 @@ name: OPTIONAL - Verify @wordpress/components CHANGELOG update
 on:
     pull_request:
         types: [opened, synchronize]
+        branches:
+            - trunk
         paths:
             - 'packages/components/**'
             - '!packages/components/src/**/stories/**'