diff --git a/package.json b/package.json
index 532545f..60ae01c 100644
--- a/package.json
+++ b/package.json
@@ -16,7 +16,7 @@
     "@types/mocha": "8.0.1",
     "@types/node": "14.0.27",
     "benchmark": "2.1.4",
-    "chai": "4.2.0",
+    "chai": "4.3.4",
     "mocha": "8.1.1",
     "nyc": "15.1.0",
     "rimraf": "3.0.2",