diff --git a/.github/workflows/deno.yml b/.github/workflows/deno.yml
index 1a97561..f335217 100644
--- a/.github/workflows/deno.yml
+++ b/.github/workflows/deno.yml
@@ -7,6 +7,7 @@ on:
     types: [opened, synchronize, reopened]
     branches:
       - main
+permissions: read-all
 jobs:
   deno-check:
     runs-on: ubuntu-latest