diff --git a/package-lock.json b/package-lock.json
index 0dc693c..c892e29 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -14,7 +14,7 @@
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         "@types/node": "^24.0.10",
         "@types/sinon": "^17.0.4",
-        "chai": "^5.1.2",
+        "chai": "^6.2.0",
         "mocha": "^11.7.1",
         "publint": "^0.3.9",
         "rollup": "^4.44.1",
@@ -1043,16 +1043,6 @@
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       "license": "Python-2.0"
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-      "resolved": "https://registry.npmjs.org/assertion-error/-/assertion-error-2.0.1.tgz",
-      "integrity": "sha512-Izi8RQcffqCeNVgFigKli1ssklIbpHnCYc6AknXGYoB6grJqyeby7jv12JUQgmTAnIDnbck1uxksT4dzN3PWBA==",
-      "dev": true,
-      "license": "MIT",
-      "engines": {
-        "node": ">=12"
-      }
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       "resolved": "https://registry.npmjs.org/balanced-match/-/balanced-match-1.0.2.tgz",
@@ -1091,20 +1081,13 @@
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-      "resolved": "https://registry.npmjs.org/chai/-/chai-5.2.0.tgz",
-      "integrity": "sha512-mCuXncKXk5iCLhfhwTc0izo0gtEmpz5CtG2y8GiOINBlMVS6v8TMRc5TaLWKS6692m9+dVVfzgeVxR5UxWHTYw==",
+      "version": "6.2.0",
+      "resolved": "https://registry.npmjs.org/chai/-/chai-6.2.0.tgz",
+      "integrity": "sha512-aUTnJc/JipRzJrNADXVvpVqi6CO0dn3nx4EVPxijri+fj3LUUDyZQOgVeW54Ob3Y1Xh9Iz8f+CgaCl8v0mn9bA==",
       "dev": true,
       "license": "MIT",
-      "dependencies": {
-        "assertion-error": "^2.0.1",
-        "check-error": "^2.1.1",
-        "deep-eql": "^5.0.1",
-        "loupe": "^3.1.0",
-        "pathval": "^2.0.0"
-      },
       "engines": {
-        "node": ">=12"
+        "node": ">=18"
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     "node_modules/chalk": {
@@ -1137,16 +1120,6 @@
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-    "node_modules/check-error": {
-      "version": "2.1.1",
-      "resolved": "https://registry.npmjs.org/check-error/-/check-error-2.1.1.tgz",
-      "integrity": "sha512-OAlb+T7V4Op9OwdkjmguYRqncdlx5JiofwOAUkmTF+jNdHwzTaTs4sRAGpzLF3oOz5xAyDGrPgeIDFQmDOTiJw==",
-      "dev": true,
-      "license": "MIT",
-      "engines": {
-        "node": ">= 16"
-      }
-    },
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       "resolved": "https://registry.npmjs.org/chokidar/-/chokidar-4.0.3.tgz",
@@ -1314,16 +1287,6 @@
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-    "node_modules/deep-eql": {
-      "version": "5.0.2",
-      "resolved": "https://registry.npmjs.org/deep-eql/-/deep-eql-5.0.2.tgz",
-      "integrity": "sha512-h5k/5U50IJJFpzfL6nO9jaaumfjO/f2NjK/oYB2Djzm4p9L+3T9qWpZqZ2hAbLPuuYq9wrU08WQyBTL5GbPk5Q==",
-      "dev": true,
-      "license": "MIT",
-      "engines": {
-        "node": ">=6"
-      }
-    },
     "node_modules/diff": {
       "version": "7.0.0",
       "resolved": "https://registry.npmjs.org/diff/-/diff-7.0.0.tgz",
@@ -1678,13 +1641,6 @@
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       }
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-    "node_modules/loupe": {
-      "version": "3.1.3",
-      "resolved": "https://registry.npmjs.org/loupe/-/loupe-3.1.3.tgz",
-      "integrity": "sha512-kkIp7XSkP78ZxJEsSxW3712C6teJVoeHHwgo9zJ380de7IYyJ2ISlxojcH2pC5OFLewESmnRi/+XCDIEEVyoug==",
-      "dev": true,
-      "license": "MIT"
-    },
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       "resolved": "https://registry.npmjs.org/lru-cache/-/lru-cache-10.4.3.tgz",
@@ -1867,16 +1823,6 @@
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-    "node_modules/pathval": {
-      "version": "2.0.0",
-      "resolved": "https://registry.npmjs.org/pathval/-/pathval-2.0.0.tgz",
-      "integrity": "sha512-vE7JKRyES09KiunauX7nd2Q9/L7lhok4smP9RZTDeD4MVs72Dp2qNFVz39Nz5a0FVEW0BJR6C0DYrq6unoziZA==",
-      "dev": true,
-      "license": "MIT",
-      "engines": {
-        "node": ">= 14.16"
-      }
-    },
     "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 0d53542..87af315 100644
--- a/package.json
+++ b/package.json
@@ -66,7 +66,7 @@
     "@types/mocha": "^10.0.10",
     "@types/node": "^24.0.10",
     "@types/sinon": "^17.0.4",
-    "chai": "^5.1.2",
+    "chai": "^6.2.0",
     "mocha": "^11.7.1",
     "publint": "^0.3.9",
     "rollup": "^4.44.1",