diff --git a/.github/workflows/lock_branch.yaml b/.github/workflows/lock_branch.yaml
index fa88bda..4b5f1ac 100644
--- a/.github/workflows/lock_branch.yaml
+++ b/.github/workflows/lock_branch.yaml
@@ -31,7 +31,7 @@ on:
         required: true
 
 permissions:
-  contents: read
+  contents: write
 
 defaults:
   run: