diff --git a/package.json b/package.json
index bcfb6c1ac..09490096b 100644
--- a/package.json
+++ b/package.json
@@ -196,7 +196,7 @@
     "react-addons-test-utils": "^15.5.1",
     "react-test-renderer": "^15.5.4",
     "react-testutils-additions": "^15.2.0",
-    "sinon": "^3.2.0",
+    "sinon": "^4.0.0",
     "tape": "^4.5.1",
     "testem": "^1.10.3",
     "uglifyify": "^4.0.2",