diff --git a/.gitea/workflows/tag-old-pull-requests.yaml b/.gitea/workflows/tag-old-pull-requests.yaml
index 9779aa8..5b2f235 100644
--- a/.gitea/workflows/tag-old-pull-requests.yaml
+++ b/.gitea/workflows/tag-old-pull-requests.yaml
@@ -4,6 +4,8 @@ on:
   schedule:
     - cron: '@daily'
 
+  workflow_dispatch:
+
 jobs:
   tag-old-pull-requests:
     runs-on: ubuntu-latest