diff --git a/package.json b/package.json
index 40862b1..f7e29f6 100644
--- a/package.json
+++ b/package.json
@@ -32,7 +32,7 @@
   "dependencies": {
     "@types/chai": "^4.2.4",
     "@types/mocha": "^5.2.7",
-    "@types/sinon": "^7.5.0",
+    "@types/sinon": "^9.0.4",
     "@types/sinon-chai": "^3.2.3",
     "chai": "^4.2.0",
     "mocha": "^6.2.2",