diff --git a/.github/workflows/codeql.yaml b/.github/workflows/codeql.yaml
index 026d14a..b9bb496 100644
--- a/.github/workflows/codeql.yaml
+++ b/.github/workflows/codeql.yaml
@@ -8,6 +8,8 @@ on:
   schedule:
     - cron: '38 17 * * 5'
 
+permissions: read-all
+
 jobs:
   analyze:
     name: Analyze (${{ matrix.language }})