diff --git a/.github/workflows/do_not_merge.yml b/.github/workflows/do_not_merge.yml
index 783229b6525..aad8403f39e 100644
--- a/.github/workflows/do_not_merge.yml
+++ b/.github/workflows/do_not_merge.yml
@@ -4,6 +4,12 @@ on:
   pull_request:
     types: [synchronize, opened, reopened, labeled, unlabeled]
 
+  workflow_run:
+    workflows: [Manifest]
+    types:
+      - completed
+
+
 jobs:
   do-not-merge:
     if: ${{ contains(github.event.*.labels.*.name, 'DNM') }}