diff --git a/package.json b/package.json
index 1f35d62..ab0f325 100644
--- a/package.json
+++ b/package.json
@@ -36,7 +36,7 @@
     "devDependencies": {
         "@eslint/js": "^9.17.0",
         "@jsdevtools/npm-publish": "^3.1.1",
-        "chai": "^5.1.2",
+        "chai": "^6.0.1",
         "eslint": "^9.17.0",
         "eslint-config-prettier": "^10.0.1",
         "eslint-plugin-prettier": "^5.2.1",