diff --git a/package.json b/package.json
index 625e94c..aae87d5 100644
--- a/package.json
+++ b/package.json
@@ -33,7 +33,7 @@
   },
   "devDependencies": {
     "benchmark": "^2.1.4",
-    "chai": "^4.1.2",
+    "chai": "^5.1.1",
     "jsonschema": "^1.2.4",
     "mocha": "^10.2.0",
     "protodef": "file:.",