diff --git a/Gruntfile.js b/Gruntfile.js
index c245aab3f3..95d6204573 100644
--- a/Gruntfile.js
+++ b/Gruntfile.js
@@ -202,6 +202,7 @@ module.exports = grunt => {
         NODE_ENV: environment,
       },
       requireName: 'unused',
+      startTimeout: 30000,
     });
 
     function getMochaResults() {