diff --git a/package.json b/package.json
index fe4c458..9ec1c3f 100644
--- a/package.json
+++ b/package.json
@@ -23,7 +23,7 @@
     "@types/mocha": "^5.0.0",
     "@types/node": "^10.0.3",
     "@types/power-assert": "^1.4.29",
-    "@types/sinon": "^4.1.3",
+    "@types/sinon": "^5.0.0",
     "espower-typescript": "^8.1.2",
     "istanbul-instrumenter-loader": "^3.0.0",
     "karma": "^2.0.0",