diff --git a/package.json b/package.json
index 4fc611c..dd02222 100644
--- a/package.json
+++ b/package.json
@@ -44,7 +44,7 @@
     "node": ">= 0.10"
   },
   "dependencies": {
-    "bignumber.js": "^1.4.1",
+    "bignumber.js": "^2.0.0",
     "iso-3166-1-data": "0.0.2",
     "lodash": "^2.4.1",
     "moment": "^2.8.4",