diff --git a/package.json b/package.json
index 45fbace..387b9d0 100644
--- a/package.json
+++ b/package.json
@@ -56,7 +56,7 @@
   "devDependencies": {
     "ava": "^7.0.0",
     "mocha": "^11.7.2",
-    "sinon": "^21.0.0",
+    "sinon": "^22.0.0",
     "testcheck": "^1.0.0-rc.2"
   }
 }