diff --git a/testem.js b/testem.js
index 6f7073f7dd7..4e4aa0fe317 100644
--- a/testem.js
+++ b/testem.js
@@ -6,6 +6,7 @@ module.exports = {
   parallel: -1,
   launch_in_ci: ['Chrome'],
   launch_in_dev: ['Chrome'],
+  browser_start_timeout: 120,
   browser_args: {
     Chrome: {
       mode: 'ci',