diff --git a/package.json b/package.json
index 5affe3056..b76f3f738 100644
--- a/package.json
+++ b/package.json
@@ -110,7 +110,7 @@
     "p-limit": "^2.2.0",
     "prettier": "^1.13.7",
     "proxyquire": "^2.0.1",
-    "sinon": "^8.0.0",
+    "sinon": "^9.0.0",
     "stats-lite": "^2.1.1",
     "time-span": "^3.0.0",
     "typescript": "3.6.4",