diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index ad10f46..23f7890 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -98,6 +98,9 @@ jobs:
     runs-on: ubuntu-latest
     needs: build
 
+    permissions:
+      contents: read
+
     steps:
       - name: Checkout code
         uses: actions/checkout@v6
@@ -123,6 +126,9 @@ jobs:
     runs-on: ubuntu-latest
     if: github.event_name == 'pull_request'
 
+    permissions:
+      contents: read
+
     steps:
       - name: Checkout code
         uses: actions/checkout@v6