diff --git a/package.json b/package.json
index 95a8e16be..77d85ebdb 100644
--- a/package.json
+++ b/package.json
@@ -437,7 +437,7 @@
     "proxyquire": "^1.7.11",
     "qunitjs": "^2.1.1",
     "requirejs": "^2.1.20",
-    "sinon": "^4.1.2",
+    "sinon": "^3.0.0",
     "sinon-chai": "^2.7.0",
     "supertest": "^3.0.0",
     "timer-shim": "^0.3.0",