diff --git a/.github/workflows/auto_bump_main.yml b/.github/workflows/auto_bump_main.yml
index 145dc96..19ddc80 100644
--- a/.github/workflows/auto_bump_main.yml
+++ b/.github/workflows/auto_bump_main.yml
@@ -5,6 +5,9 @@ on:
     branches:
       - main
 
+permissions:
+  contents: write
+
 jobs:
   bump_minor:
     runs-on: ubuntu-latest