diff --git a/.github/workflows/sync-labels.yml b/.github/workflows/sync-labels.yml
index 292ccf0642..38774fb5a3 100644
--- a/.github/workflows/sync-labels.yml
+++ b/.github/workflows/sync-labels.yml
@@ -28,4 +28,4 @@ jobs:
         with:
           repository: ${{ matrix.repo }}
           token: ${{ secrets.NGINX_PAT }}
-          prune: false
+          prune: true