diff --git a/.github/workflows/reviewdog.yml b/.github/workflows/reviewdog.yml
index b01ba34..2fdab82 100644
--- a/.github/workflows/reviewdog.yml
+++ b/.github/workflows/reviewdog.yml
@@ -4,6 +4,10 @@ on:
   push:
     branches:
       - main
+
+permissions:
+  contents: read
+
 jobs:
   eslint:
     name: runner / eslint