diff --git a/package.json b/package.json
index ba72241..4fcebab 100644
--- a/package.json
+++ b/package.json
@@ -27,6 +27,6 @@
     "mocha": "^10.4.0",
     "ot-json1": "^1.0.2",
     "rich-text": "^4.1.0",
-    "sinon": "^18.0.0"
+    "sinon": "^22.0.0"
   }
 }