diff --git a/package.json b/package.json
index 6eac1e1..9dfb7e6 100644
--- a/package.json
+++ b/package.json
@@ -23,7 +23,7 @@
     "jest-runtime": "^21.2.1",
     "react-scripts": "^1.0.17",
     "react-test-renderer": "^16.1.1",
-    "sinon": "^4.0.2"
+    "sinon": "^5.0.3"
   },
   "scripts": {
     "start": "react-scripts start",