diff --git a/package.json b/package.json
index 7367606..b967ffa 100644
--- a/package.json
+++ b/package.json
@@ -60,7 +60,7 @@
     "express": "^4.16.4",
     "mocha": "^6.1.1",
     "nyc": "^15.0.0",
-    "sinon": "^7.2.4",
+    "sinon": "^8.1.0",
     "sinon-chai": "^3.3.0",
     "tsd": "^0.8.0",
     "typescript": "^3.6.3"