diff --git a/package.json b/package.json
index f17caa5..2cd7044 100644
--- a/package.json
+++ b/package.json
@@ -22,7 +22,7 @@
     "@wmfs/j2119": "1.15.0"
   },
   "devDependencies": {
-    "chai": "4.2.0",
+    "chai": "4.3.4",
     "mocha": "8.4.0",
     "nyc": "15.1.0",
     "standard": "14.3.4"