diff --git a/.github/workflows/security.yml b/.github/workflows/security.yml
index ba9189e..d894617 100644
--- a/.github/workflows/security.yml
+++ b/.github/workflows/security.yml
@@ -6,6 +6,9 @@ on:
   pull_request:
     branches: [main]
 
+permissions:
+  contents: read
+
 jobs:
   audit:
     name: Dependency Audit