diff --git a/package.json b/package.json
index 9baaa4ed..db08a79a 100644
--- a/package.json
+++ b/package.json
@@ -55,7 +55,7 @@
     "@typescript-eslint/eslint-plugin": "^8.29.1",
     "@typescript-eslint/parser": "^8.31.1",
     "c8": "^10.1.3",
-    "chai": "^5.2.0",
+    "chai": "^6.0.0",
     "cross-env": "^10.0.0",
     "eslint": "^8.57.1",
     "gts": "^5.3.1",