diff --git a/code-scanning/brakeman.yml b/code-scanning/brakeman.yml
index ae5215a..d0b25ac 100644
--- a/code-scanning/brakeman.yml
+++ b/code-scanning/brakeman.yml
@@ -17,8 +17,14 @@ on:
   schedule:
     - cron: $cron-weekly
 
+permissions:
+  contents: read
+
 jobs:
   brakeman-scan:
+    permissions:
+      contents: read # for actions/checkout to fetch code
+      security-events: write # for github/codeql-action/upload-sarif to upload SARIF results
     name: Brakeman Scan
     runs-on: ubuntu-latest
     steps: