diff --git a/.github/workflows/lock.yml b/.github/workflows/lock.yml
index ba5d65bc5..41bf744db 100644
--- a/.github/workflows/lock.yml
+++ b/.github/workflows/lock.yml
@@ -1,6 +1,7 @@
 name: 'Lock threads'
 
 on:
+  workflow_dispatch:
   schedule:
     - cron: '0/10 * * * *'