diff --git a/packages/test-app/config/ember-try.js b/packages/test-app/config/ember-try.js
index e3e6b94..973ca16 100644
--- a/packages/test-app/config/ember-try.js
+++ b/packages/test-app/config/ember-try.js
@@ -5,6 +5,7 @@ const { embroiderSafe, embroiderOptimized } = require('@embroider/test-setup');
 
 module.exports = async function () {
   return {
+    usePnpm: true,
     scenarios: [
       {
         name: 'ember-lts-4.12',