diff --git a/eng/ci/public-build.yml b/eng/ci/public-build.yml
index a9854e7f..222cdc2d 100644
--- a/eng/ci/public-build.yml
+++ b/eng/ci/public-build.yml
@@ -34,6 +34,8 @@ variables:
     value: true
   - name: codeql.runSourceLanguagesInSourceAnalysis
     value: true
+  - name: codeql.sourceLanguages
+    value: python, powershell
 
 extends:
   template: v1/1ES.Unofficial.PipelineTemplate.yml@1es