diff --git a/package.json b/package.json
index 89a3eab..c1f8aad 100644
--- a/package.json
+++ b/package.json
@@ -40,7 +40,7 @@
     "chai": "^3.2.0",
     "istanbul": "^0.4.4",
     "mocha": "^3.0.0",
-    "sinon": "^1.15.4",
+    "sinon": "^1.17.6",
     "typescript": "^1.8.10",
     "typings": "^1.3.0"
   },