diff --git a/package.json b/package.json
index 1086e71b4..c3b279d99 100644
--- a/package.json
+++ b/package.json
@@ -51,7 +51,7 @@
     "mocha": "10.4.0",
     "nyc": "15.1.0",
     "prettier": "3.0.3",
-    "sinon": "17.0.2",
+    "sinon": "18.0.0",
     "typescript": "5.2.2"
   },
   "funding": "https://opencollective.com/serialport/donate",