diff --git a/.github/workflows/sync-backport-changelog.yml b/.github/workflows/sync-backport-changelog.yml
index 76a87f89ba7030..bbc5663cf715be 100644
--- a/.github/workflows/sync-backport-changelog.yml
+++ b/.github/workflows/sync-backport-changelog.yml
@@ -4,21 +4,33 @@ on:
     push:
         branches:
             - trunk
+    issues:
+        types: [labeled]
 
 jobs:
     sync-backport-changelog:
         name: Sync Core Backport Issue
         runs-on: ubuntu-latest
+        if: >
+            github.event_name == 'push' ||
+            (
+                github.event_name == 'issues' &&
+                github.event.action == 'labeled' &&
+                github.event.label.name == '🤖 Sync Backport Changelog'
+            )
         steps:
-            - uses: actions/checkout@692973e3d937129bcbf40652eb9f2f61becf3332 # v4.1.7
+            - name: Checkout
+              uses: actions/checkout@692973e3d937129bcbf40652eb9f2f61becf3332 # v4.1.7
               with:
                   fetch-depth: 2 # Fetch the last two commits to compare changes
             - name: Check for changes in backport-changelog
-              id: check-for-changes
+              if: github.event_name == 'push'
               run: |
-                  git diff --quiet HEAD^ HEAD -- backport-changelog || echo "HAS_CHANGES=1" >> "$GITHUB_OUTPUT"
+                  if git diff --quiet HEAD^ HEAD -- backport-changelog; then
+                      echo "skip_sync=true" >> "$GITHUB_ENV"
+                  fi
             - name: Sync Issue
-              if: steps.check-for-changes.outputs.HAS_CHANGES
+              if: ${{ ! env.skip_sync }}
               uses: actions/github-script@60a0d83039c74a4aee543508d2ffcb1c3799cdea # v7.0.1
               with:
                   script: |