diff --git a/.github/workflows/prettier-on-pr.yml b/.github/workflows/prettier-on-pr.yml
index 5bb850d..320df2f 100644
--- a/.github/workflows/prettier-on-pr.yml
+++ b/.github/workflows/prettier-on-pr.yml
@@ -7,6 +7,9 @@ on:
       - main
   workflow_dispatch:
 
+permissions: 
+  pull-requests: write
+
 jobs:
   check:
     # available images: https://github.com/actions/runner-images#available-images