diff --git a/.github/workflows/unity-meta-file-check.yml b/.github/workflows/unity-meta-file-check.yml
index a8dd074..ed48b9d 100644
--- a/.github/workflows/unity-meta-file-check.yml
+++ b/.github/workflows/unity-meta-file-check.yml
@@ -12,6 +12,9 @@ on:
       - src/ObjectReference.Unity/Packages/**
   workflow_dispatch: {}
 
+permissions:
+  contents: read
+
 jobs:
   meta-check:
     runs-on: ubuntu-latest