diff --git a/package.json b/package.json
index 96f08c8..8d5c404 100644
--- a/package.json
+++ b/package.json
@@ -50,7 +50,7 @@
     "code": "^2.1.0",
     "jsdoc": "^3.3.0-beta3",
     "lab": "^10.2.0",
-    "sinon": "^1.14.1",
+    "sinon": "^2.3.2",
     "standard": "^7.1.0"
   }
 }