diff --git a/package-lock.json b/package-lock.json
index 2b12ff3..4a3aa9f 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -22,7 +22,7 @@
         "@antora/content-classifier": "*",
         "@asciidoctor/core": "~2.2",
         "@asciidoctor/tabs": "*",
-        "chai": "~4.3",
+        "chai": "~6.2",
         "chai-fs": "~2.0",
         "chai-spies": "~1.1",
         "dirty-chai": "~2.0",
@@ -1307,15 +1307,6 @@
         "solid-transition-group": "^0.2.3"
       }
     },
-    "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": {
       "version": "3.2.4",
       "resolved": "https://registry.npmjs.org/async/-/async-3.2.4.tgz",
@@ -1751,21 +1742,13 @@
       "license": "CC-BY-4.0"
     },
     "node_modules/chai": {
-      "version": "4.3.7",
-      "resolved": "https://registry.npmjs.org/chai/-/chai-4.3.7.tgz",
-      "integrity": "sha512-HLnAzZ2iupm25PlN0xFreAlBA5zaBSv3og0DdeGA4Ar6h6rJ3A0rolRUKJhSF2V10GZKDgWF/VmAEsNWjCRB+A==",
+      "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": "^1.0.2",
-        "deep-eql": "^4.1.2",
-        "get-func-name": "^2.0.0",
-        "loupe": "^2.3.1",
-        "pathval": "^1.1.1",
-        "type-detect": "^4.0.5"
-      },
+      "license": "MIT",
       "engines": {
-        "node": ">=4"
+        "node": ">=18"
       }
     },
     "node_modules/chai-fs": {
@@ -1813,15 +1796,6 @@
         "url": "https://github.com/chalk/chalk?sponsor=1"
       }
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-    "node_modules/check-error": {
-      "version": "1.0.2",
-      "resolved": "https://registry.npmjs.org/check-error/-/check-error-1.0.2.tgz",
-      "integrity": "sha512-BrgHpW9NURQgzoNyjfq0Wu6VFO6D7IZEmJNdtgNqpzGG8RuNFHt2jQxWlAs4HMe119chBnv+34syEZtc6IhLtA==",
-      "dev": true,
-      "engines": {
-        "node": "*"
-      }
-    },
     "node_modules/chokidar": {
       "version": "4.0.3",
       "resolved": "https://registry.npmjs.org/chokidar/-/chokidar-4.0.3.tgz",
@@ -2242,18 +2216,6 @@
         "node": ">=4"
       }
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-    "node_modules/deep-eql": {
-      "version": "4.1.3",
-      "resolved": "https://registry.npmjs.org/deep-eql/-/deep-eql-4.1.3.tgz",
-      "integrity": "sha512-WaEtAOpRA1MQ0eohqZjpGD8zdI0Ovsm8mmFhaDN8dvDZzyoUMcYDnf5Y6iu7HTXxf8JDS23qWa4a+hKCDyOPzw==",
-      "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",
@@ -3319,15 +3281,6 @@
         "node": "6.* || 8.* || >= 10.*"
       }
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-    "node_modules/get-func-name": {
-      "version": "2.0.0",
-      "resolved": "https://registry.npmjs.org/get-func-name/-/get-func-name-2.0.0.tgz",
-      "integrity": "sha512-Hm0ixYtaSZ/V7C8FJrtZIuBBI+iSgL+1Aq82zSu8VQNB4S3Gk8e7Qs3VwBDJAhmRZcFqkl3tQu36g/Foh5I5ig==",
-      "dev": true,
-      "engines": {
-        "node": "*"
-      }
-    },
     "node_modules/get-intrinsic": {
       "version": "1.2.0",
       "resolved": "https://registry.npmjs.org/get-intrinsic/-/get-intrinsic-1.2.0.tgz",
@@ -4589,15 +4542,6 @@
         "node": ">=0.8.0"
       }
     },
-    "node_modules/loupe": {
-      "version": "2.3.6",
-      "resolved": "https://registry.npmjs.org/loupe/-/loupe-2.3.6.tgz",
-      "integrity": "sha512-RaPMZKiMy8/JruncMU5Bt6na1eftNoo++R4Y+N2FrxkDVTrGvcyzFTsaGif4QTeKESheMGegbhw6iUAq+5A8zA==",
-      "dev": true,
-      "dependencies": {
-        "get-func-name": "^2.0.0"
-      }
-    },
     "node_modules/lru-cache": {
       "version": "5.1.1",
       "resolved": "https://registry.npmjs.org/lru-cache/-/lru-cache-5.1.1.tgz",
@@ -5394,15 +5338,6 @@
         "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/pend": {
       "version": "1.2.0",
       "resolved": "https://registry.npmjs.org/pend/-/pend-1.2.0.tgz",
@@ -6966,15 +6901,6 @@
         "node": ">= 0.8.0"
       }
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-    "node_modules/type-detect": {
-      "version": "4.0.8",
-      "resolved": "https://registry.npmjs.org/type-detect/-/type-detect-4.0.8.tgz",
-      "integrity": "sha512-0fr/mIH1dlO+x7TlcMy+bIDqKPsw/70tVyeHW787goQjhmqaZe10uwLujubK9q9Lg6Fiho1KUKDYz0Z7k7g5/g==",
-      "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 f9f1a3b..a193a69 100644
--- a/package.json
+++ b/package.json
@@ -67,7 +67,7 @@
     "@antora/content-classifier": "latest",
     "@asciidoctor/core": "~2.2",
     "@asciidoctor/tabs": "latest",
-    "chai": "~4.3",
+    "chai": "~6.2",
     "chai-fs": "~2.0",
     "chai-spies": "~1.1",
     "dirty-chai": "~2.0",