diff --git a/.github/workflows/codeql.yml b/.github/workflows/codeql.yml
index 04239be7..dd4d6926 100644
--- a/.github/workflows/codeql.yml
+++ b/.github/workflows/codeql.yml
@@ -21,6 +21,9 @@ on:
   schedule:
     - cron: "31 17 * * 2"
 
+permissions:
+  contents: read
+
 jobs:
   analyze:
     name: Analyze