diff --git a/package-lock.json b/package-lock.json
index 41fd92cef..f2f1ddf3c 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -34,7 +34,7 @@
       "devDependencies": {
         "@eslint/js": "^9.39.2",
         "@yao-pkg/pkg": "^6.11.0",
-        "chai": "^4.5.0",
+        "chai": "^6.2.2",
         "chai-as-promised": "^7.1.2",
         "chai-events": "^0.0.3",
         "command-line-test": "^1.0.10",
@@ -1815,23 +1815,14 @@
       "license": "CC-BY-4.0"
     },
     "node_modules/chai": {
-      "version": "4.5.0",
-      "resolved": "https://registry.npmjs.org/chai/-/chai-4.5.0.tgz",
-      "integrity": "sha512-RITGBfijLkBddZvnn8jdqoTypxvqbOLYQkGGxXzeFjVHvudaPw0HNFD9x928/eUwYWd2dPCugVqspGALTZZQKw==",
+      "version": "6.2.2",
+      "resolved": "https://registry.npmjs.org/chai/-/chai-6.2.2.tgz",
+      "integrity": "sha512-NUPRluOfOiTKBKvWPtSD4PhFvWCqOi0BGStNWs57X9js7XGTprSmFoz5F0tWhR4WPjNeR9jXqdC7/UpSJTnlRg==",
       "dev": true,
       "license": "MIT",
       "peer": true,
-      "dependencies": {
-        "assertion-error": "^1.1.0",
-        "check-error": "^1.0.3",
-        "deep-eql": "^4.1.3",
-        "get-func-name": "^2.0.2",
-        "loupe": "^2.3.6",
-        "pathval": "^1.1.1",
-        "type-detect": "^4.1.0"
-      },
       "engines": {
-        "node": ">=4"
+        "node": ">=18"
       }
     },
     "node_modules/chai-as-promised": {
@@ -2268,19 +2259,6 @@
         "url": "https://github.com/sponsors/sindresorhus"
       }
     },
-    "node_modules/deep-eql": {
-      "version": "4.1.4",
-      "resolved": "https://registry.npmjs.org/deep-eql/-/deep-eql-4.1.4.tgz",
-      "integrity": "sha512-SUwdGfqdKOwxCPeVYjwSyRpJ7Z+fhpwIAtmCUdZIWZ/YP5R9WAsyuSgpLVDi9bjWoN2LXHNss/dk3urXtdQxGg==",
-      "dev": true,
-      "license": "MIT",
-      "dependencies": {
-        "type-detect": "^4.0.0"
-      },
-      "engines": {
-        "node": ">=6"
-      }
-    },
     "node_modules/deep-extend": {
       "version": "0.6.0",
       "resolved": "https://registry.npmjs.org/deep-extend/-/deep-extend-0.6.0.tgz",
@@ -4671,16 +4649,6 @@
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       "license": "Apache-2.0"
     },
-    "node_modules/loupe": {
-      "version": "2.3.7",
-      "resolved": "https://registry.npmjs.org/loupe/-/loupe-2.3.7.tgz",
-      "integrity": "sha512-zSMINGVYkdpYSOBmLi0D1Uo7JU9nVdQKrHxC8eYlV+9YKK9WePqAlL7lSlorG/U2Fw1w0hTBmaa/jrQ3UbPHtA==",
-      "dev": true,
-      "license": "MIT",
-      "dependencies": {
-        "get-func-name": "^2.0.1"
-      }
-    },
     "node_modules/lru-cache": {
       "version": "5.1.1",
       "resolved": "https://registry.npmjs.org/lru-cache/-/lru-cache-5.1.1.tgz",
@@ -5963,16 +5931,6 @@
         "isarray": "0.0.1"
       }
     },
-    "node_modules/pathval": {
-      "version": "1.1.1",
-      "resolved": "https://registry.npmjs.org/pathval/-/pathval-1.1.1.tgz",
-      "integrity": "sha512-Dp6zGqpTdETdR63lehJYPeIOqpiNBNtc7BpWSLrOje7UaIsE5aY92r/AunQA7rsXvet3lrJ3JnZX29UPTKXyKQ==",
-      "dev": true,
-      "license": "MIT",
-      "engines": {
-        "node": "*"
-      }
-    },
     "node_modules/picocolors": {
       "version": "1.1.1",
       "resolved": "https://registry.npmjs.org/picocolors/-/picocolors-1.1.1.tgz",
diff --git a/package.json b/package.json
index 221546090..9837d3af0 100644
--- a/package.json
+++ b/package.json
@@ -121,7 +121,7 @@
   "devDependencies": {
     "@eslint/js": "^9.39.2",
     "@yao-pkg/pkg": "^6.11.0",
-    "chai": "^4.5.0",
+    "chai": "^6.2.2",
     "chai-as-promised": "^7.1.2",
     "chai-events": "^0.0.3",
     "command-line-test": "^1.0.10",