diff --git a/.github/workflows/validate.yml b/.github/workflows/validate.yml
index 8079ec5..f27c6c4 100644
--- a/.github/workflows/validate.yml
+++ b/.github/workflows/validate.yml
@@ -6,6 +6,9 @@ on:
   pull_request:
     branches: [main]
 
+permissions:
+  contents: read
+
 jobs:
   test:
     strategy:
@@ -15,7 +18,7 @@ jobs:
     runs-on: ${{ matrix.os }}
     steps:
       - name: Print build information
-        run: 'echo head_ref: ${{ github.head_ref }}, ref: ${{ github.ref }}, os: ${{ matrix.os }}'
+        run: "echo head_ref: ${{ github.head_ref }}, ref: ${{ github.ref }}, os: ${{ matrix.os }}"
 
       - uses: actions/checkout@v4