diff --git a/.github/workflows/codeql.yml b/.github/workflows/codeql.yml
index dcbcdbaa88..b402f989e8 100644
--- a/.github/workflows/codeql.yml
+++ b/.github/workflows/codeql.yml
@@ -8,6 +8,8 @@ on:
   schedule:
     - cron: '0 19 * * 0'
 
+permissions:
+  contents: read
 jobs:
   CodeQL-Build: