diff --git a/test/fixtures/mocha-failure/package.json b/test/fixtures/mocha-failure/package.json
index b4110f6..1eab020 100644
--- a/test/fixtures/mocha-failure/package.json
+++ b/test/fixtures/mocha-failure/package.json
@@ -13,7 +13,7 @@
     "url": "https://github.com/rvagg/polendina.git"
   },
   "devDependencies": {
-    "chai": "^4.3.7",
+    "chai": "^5.1.1",
     "mocha": "^10.2.0"
   }
 }