diff --git a/package.json b/package.json
index 279e7de..1420837 100644
--- a/package.json
+++ b/package.json
@@ -41,7 +41,7 @@
     "electron": "^28.2.0",
     "hallmark": "^4.0.0",
     "nyc": "^15.1.0",
-    "sinon": "^17.0.1",
+    "sinon": "^18.0.0",
     "standard": "^17.1.0",
     "tap-arc": "^1.2.2",
     "tape": "^5.7.4",