diff --git a/package-lock.json b/package-lock.json
index 78012ed..10f95c8 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -14,7 +14,7 @@
       "devDependencies": {
         "@antora/asciidoc-loader": "^3.2.0-alpha.11",
         "@asciidoctor/tabs": "1.0.0-beta.6",
-        "chai": "~4.3",
+        "chai": "~6.2",
         "chai-fs": "~2.0",
         "chai-spies": "~1.1",
         "dirty-chai": "~2.0",
@@ -25,7 +25,7 @@
         "prettier-eslint": "~15.0"
       },
       "engines": {
-        "node": ">=16.0.0"
+        "node": ">=20.0.0"
       }
     },
     "node_modules/@antora/asciidoc-loader": {
@@ -1105,15 +1105,6 @@
         "node": ">=8.11"
       }
     },
-    "node_modules/assertion-error": {
-      "version": "1.1.0",
-      "resolved": "https://registry.npmjs.org/assertion-error/-/assertion-error-1.1.0.tgz",
-      "integrity": "sha512-jgsaNduz+ndvGyFt3uSuWqvy4lCnIJiovtouQN5JZHOKCS2QuhEdbcQHFhVksz2N2U9hXJo8odG7ETyWlEeuDw==",
-      "dev": true,
-      "engines": {
-        "node": "*"
-      }
-    },
     "node_modules/async-arrays": {
       "version": "2.0.0",
       "resolved": "https://registry.npmjs.org/async-arrays/-/async-arrays-2.0.0.tgz",
@@ -1429,21 +1420,13 @@
       ]
     },
     "node_modules/chai": {
-      "version": "4.3.10",
-      "resolved": "https://registry.npmjs.org/chai/-/chai-4.3.10.tgz",
-      "integrity": "sha512-0UXG04VuVbruMUYbJ6JctvH0YnC/4q3/AkT18q4NaITo91CUm0liMS9VqzT9vZhVQ/1eqPanMWjBM+Juhfb/9g==",
+      "version": "6.2.2",
+      "resolved": "https://registry.npmjs.org/chai/-/chai-6.2.2.tgz",
+      "integrity": "sha512-NUPRluOfOiTKBKvWPtSD4PhFvWCqOi0BGStNWs57X9js7XGTprSmFoz5F0tWhR4WPjNeR9jXqdC7/UpSJTnlRg==",
       "dev": 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": "^4.0.8"
-      },
+      "license": "MIT",
       "engines": {
-        "node": ">=4"
+        "node": ">=18"
       }
     },
     "node_modules/chai-fs": {
@@ -1490,18 +1473,6 @@
         "url": "https://github.com/chalk/chalk?sponsor=1"
       }
     },
-    "node_modules/check-error": {
-      "version": "1.0.3",
-      "resolved": "https://registry.npmjs.org/check-error/-/check-error-1.0.3.tgz",
-      "integrity": "sha512-iKEoDYaRmd1mxM90a2OEfWhjsjPpYPuQ+lMYsoxB126+t8fw7ySEO48nmDg5COTjxDI65/Y2OWpeEHk3ZOe8zg==",
-      "dev": true,
-      "dependencies": {
-        "get-func-name": "^2.0.2"
-      },
-      "engines": {
-        "node": "*"
-      }
-    },
     "node_modules/chokidar": {
       "version": "4.0.3",
       "resolved": "https://registry.npmjs.org/chokidar/-/chokidar-4.0.3.tgz",
@@ -1694,18 +1665,6 @@
         "node": ">=0.10.0"
       }
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-    "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,
-      "dependencies": {
-        "type-detect": "^4.0.0"
-      },
-      "engines": {
-        "node": ">=6"
-      }
-    },
     "node_modules/deep-is": {
       "version": "0.1.4",
       "resolved": "https://registry.npmjs.org/deep-is/-/deep-is-0.1.4.tgz",
@@ -2772,15 +2731,6 @@
         "node": "6.* || 8.* || >= 10.*"
       }
     },
-    "node_modules/get-func-name": {
-      "version": "2.0.2",
-      "resolved": "https://registry.npmjs.org/get-func-name/-/get-func-name-2.0.2.tgz",
-      "integrity": "sha512-8vXOvuE167CtIc3OyItco7N/dpRtBbYOsPsXCz7X/PMnlGjYjSGuZJgM1Y7mmew7BKf9BqvLX2tnOVy1BBUsxQ==",
-      "dev": true,
-      "engines": {
-        "node": "*"
-      }
-    },
     "node_modules/get-intrinsic": {
       "version": "1.3.0",
       "resolved": "https://registry.npmjs.org/get-intrinsic/-/get-intrinsic-1.3.0.tgz",
@@ -4068,15 +4018,6 @@
         "node": ">=0.8.0"
       }
     },
-    "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,
-      "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",
@@ -4833,15 +4774,6 @@
         "node": ">=8"
       }
     },
-    "node_modules/pathval": {
-      "version": "1.1.1",
-      "resolved": "https://registry.npmjs.org/pathval/-/pathval-1.1.1.tgz",
-      "integrity": "sha512-Dp6zGqpTdETdR63lehJYPeIOqpiNBNtc7BpWSLrOje7UaIsE5aY92r/AunQA7rsXvet3lrJ3JnZX29UPTKXyKQ==",
-      "dev": true,
-      "engines": {
-        "node": "*"
-      }
-    },
     "node_modules/picocolors": {
       "version": "1.1.1",
       "resolved": "https://registry.npmjs.org/picocolors/-/picocolors-1.1.1.tgz",
@@ -6043,15 +5975,6 @@
         "node": ">= 0.8.0"
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     },
-    "node_modules/type-detect": {
-      "version": "4.1.0",
-      "resolved": "https://registry.npmjs.org/type-detect/-/type-detect-4.1.0.tgz",
-      "integrity": "sha512-Acylog8/luQ8L7il+geoSxhEkazvkslg7PSNKOX59mbB9cOveP5aq9h74Y7YU8yDpJwetzQQrfIwtf4Wp4LKcw==",
-      "dev": true,
-      "engines": {
-        "node": ">=4"
-      }
-    },
     "node_modules/type-fest": {
       "version": "0.20.2",
       "resolved": "https://registry.npmjs.org/type-fest/-/type-fest-0.20.2.tgz",
diff --git a/package.json b/package.json
index e9a159e..f6f441d 100644
--- a/package.json
+++ b/package.json
@@ -63,7 +63,7 @@
   "devDependencies": {
     "@antora/asciidoc-loader": "^3.2.0-alpha.11",
     "@asciidoctor/tabs": "1.0.0-beta.6",
-    "chai": "~4.3",
+    "chai": "~6.2",
     "chai-fs": "~2.0",
     "chai-spies": "~1.1",
     "dirty-chai": "~2.0",