diff --git a/.github/workflows/security.yml b/.github/workflows/security.yml
index 3fa111d..d10a888 100644
--- a/.github/workflows/security.yml
+++ b/.github/workflows/security.yml
@@ -14,6 +14,8 @@ jobs:
   vulnerability-scan:
     name: Vulnerability Scan
     runs-on: ubuntu-latest
+    permissions:
+      contents: read
 
     steps:
       - name: Checkout code