diff --git a/package.json b/package.json
index fe9215b..afa67aa 100644
--- a/package.json
+++ b/package.json
@@ -44,7 +44,7 @@
     "@babel/register": "^7.0.0",
     "babel-loader": "^9.0.0",
     "browser-sync": "^2.26.3",
-    "chai": "^4.0.1",
+    "chai": "^5.1.1",
     "css-loader": "^7.0.0",
     "d3": "^7.0.0",
     "eslint": "^8.23.1",