diff --git a/.github/workflows/lock-issues.yml b/.github/workflows/lock-issues.yml
index 8174e6e8..8db523a6 100644
--- a/.github/workflows/lock-issues.yml
+++ b/.github/workflows/lock-issues.yml
@@ -1,8 +1,6 @@
 name: Lock Issues
 
-on:
-  schedule:
-    - cron: '15 * * * *'
+on: workflow_dispatch
 
 jobs:
   lock: