diff --git a/package.json b/package.json
index 95a12bb..18b5360 100644
--- a/package.json
+++ b/package.json
@@ -76,7 +76,7 @@
     "less": "2.7.2",
     "less-loader": "4.0.5",
     "local-web-server": "2.2.4",
-    "lolex": "2.1.3",
+    "lolex": "2.2.0",
     "mocha": "4.0.1",
     "mv": "2.1.1",
     "opn": "5.1.0",