diff --git a/package.json b/package.json
index 7812ee2..96af273 100644
--- a/package.json
+++ b/package.json
@@ -40,7 +40,7 @@
     "@types/node": "^9.6.1",
     "@types/sinon": "^4.3.0",
     "jest": "^22.4.3",
-    "sinon": "^4.5.0",
+    "sinon": "^5.0.1",
     "standard-version": "^4.3.0",
     "ts-jest": "^22.4.2",
     "typescript": "^2.8.1"