diff --git a/lib/runner.js b/lib/runner.js
index 388fceb..5a39fd7 100644
--- a/lib/runner.js
+++ b/lib/runner.js
@@ -1,7 +1,6 @@
-// lighthouse & chrome-launcher are ESM only/compatible, imported dynamically
+// lighthouse, chrome-launcher, uuid are ESM only/compatible, imported dynamically
 const fs = require('fs');
 const path = require('path');
-const { v4: uuidv4 } = require('uuid');
 
 /**
  * Run a performance test using Lighthouse
@@ -10,9 +9,10 @@ const { v4: uuidv4 } = require('uuid');
  * @returns {Promise<object>} - Test results
  */
 async function runTest(url, options = {}) {
-  // Dynamically import Lighthouse & Chrome Launcher (ESM)
+  // Dynamically import dependencies (ESM)
   const { default: lighthouse } = await import('lighthouse');
   const { default: chromeLauncher } = await import('chrome-launcher');
+  const { v4: uuidv4 } = await import('uuid');
 
   const isMobile = options.isMobile ?? true; // Default to mobile
   const reportDir = path.join(__dirname, '..', 'reports');