diff --git a/.github/workflows/check_properties.yml b/.github/workflows/check_properties.yml
index 3988e850..24f7f316 100644
--- a/.github/workflows/check_properties.yml
+++ b/.github/workflows/check_properties.yml
@@ -14,6 +14,8 @@ jobs:
   check-files:
     if: github.event_name == 'pull_request_target'
     runs-on: ubuntu-latest
+    permissions:
+      contents: read
     steps:
       - name: Harden Runner
         uses: step-security/harden-runner@0080882f6c36860b6ba35c610c98ce87d4e2f26f # v2.10.2