diff --git a/package.json b/package.json
index 0aebcc0d..cbe567cc 100644
--- a/package.json
+++ b/package.json
@@ -62,6 +62,7 @@
     "lodash": "~2.4.1",
     "mailosaur": "^1.0.1",
     "main-bower-files": "~2.8.2",
+    "math": "0.0.3",
     "method-override": "~2.3.0",
     "mocha": ">=1.20.0",
     "mongoose": "~3.8.8",