diff --git a/ruby/ql/lib/qlpack.yml b/ruby/ql/lib/qlpack.yml
index ef9f163cbd91..9a1fd81630ed 100644
--- a/ruby/ql/lib/qlpack.yml
+++ b/ruby/ql/lib/qlpack.yml
@@ -17,3 +17,4 @@ dataExtensions:
   - codeql/ruby/frameworks/**/model.yml
   - codeql/ruby/frameworks/**/*.model.yml
 warnOnImplicitThis: true
+compileForOverlayEval: true