diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index 83c5cdf..a5337fc 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -8,6 +8,8 @@ on: [push, pull_request]
 jobs:
   test:
     runs-on: ubuntu-latest
+    permissions:
+      contents: read
     steps:
       - uses: actions/checkout@v4
       - uses: denoland/setup-deno@v2