diff --git a/package.json b/package.json
index abada450bec..a4dee37f4a2 100644
--- a/package.json
+++ b/package.json
@@ -125,7 +125,7 @@
     "selenium-webdriver": "4.23.0",
     "semver": "7.6.3",
     "sinon": "18.0.0",
-    "sinon-chai": "3.7.0",
+    "sinon-chai": "4.0.0",
     "typescript": "5.4.5",
     "url-toolkit": "2.2.5",
     "wrangler": "3.69.1"