diff --git a/.github/workflows/lock.yml b/.github/workflows/lock.yml
index 9736e440..5c2898f6 100644
--- a/.github/workflows/lock.yml
+++ b/.github/workflows/lock.yml
@@ -10,7 +10,7 @@ on:
 
 jobs:
   lock:
-    runs-on: ubuntu-latest
+    runs-on: docker
     permissions:
       issues: write
     steps: