diff --git a/package.json b/package.json
index b3dca55..bf4398f 100644
--- a/package.json
+++ b/package.json
@@ -48,7 +48,7 @@
     "lodash": "^4.0.0",
     "mocha": "^2.4.5",
     "query-string": "^1.0.0",
-    "should": "^4.6.0",
+    "should": "^13.2.3",
     "sinon": "^1.17.3",
     "watchify": "^3.9.0",
     "yargs": "^3.6.0"