diff --git a/code-scanning/ossar.yml b/code-scanning/ossar.yml
index b5aefa4..f09b611 100644
--- a/code-scanning/ossar.yml
+++ b/code-scanning/ossar.yml
@@ -17,10 +17,16 @@ on:
   schedule:
     - cron: $cron-weekly
 
+permissions:
+  contents: read
+
 jobs:
   OSSAR-Scan:
     # OSSAR runs on windows-latest.
     # ubuntu-latest and macos-latest support coming soon
+    permissions:
+      contents: read # for actions/checkout to fetch code
+      security-events: write # for github/codeql-action/upload-sarif to upload SARIF results
     runs-on: windows-latest
 
     steps: