diff --git a/package.json b/package.json
index 45a1f06..a90921f 100644
--- a/package.json
+++ b/package.json
@@ -44,6 +44,6 @@
     "eslint": "^4.9.0",
     "istanbul": "^1.0.0-alpha.2",
     "mocha": "^4.0.1",
-    "should": "^13.1.2"
+    "should": "^13.2.1"
   }
 }