diff --git a/package-lock.json b/package-lock.json
index 934da83..50792c8 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -9,7 +9,7 @@
       "version": "18.0.0-1",
       "license": "MIT",
       "dependencies": {
-        "@markedjs/html-differ": "^5.0.4",
+        "@markedjs/html-differ": "^5.0.5",
         "front-matter": "^4.0.2",
         "marked": "18.0.0",
         "marked-repo": "https://github.com/markedjs/marked/tarball/v18.0.0"
@@ -881,13 +881,13 @@
       }
     },
     "node_modules/@markedjs/html-differ": {
-      "version": "5.0.4",
-      "resolved": "https://registry.npmjs.org/@markedjs/html-differ/-/html-differ-5.0.4.tgz",
-      "integrity": "sha512-K0fzilP5W/2tikOBKC0x1s2tS7dc87nJUS0mhmE5V+OYXRMLe8hDPrAVPZjBxUQZhSPbRi5lnVJCbaQ5gQUCJw==",
+      "version": "5.0.5",
+      "resolved": "https://registry.npmjs.org/@markedjs/html-differ/-/html-differ-5.0.5.tgz",
+      "integrity": "sha512-KNVu0CmYh5cjA+mwWaL4YssWeZLDHme7bBmQm7BdOYYfLH16eh8ChKidUF3ZLSwY76F29oTfEqeCxa9mdV53nQ==",
       "dependencies": {
-        "chalk": "^5.3.0",
+        "chalk": "^5.6.2",
         "coa": "^2.0.2",
-        "diff": "^8.0.0",
+        "diff": "^9.0.0",
         "parse5-sax-parser": "^8.0.0"
       },
       "bin": {
@@ -1059,9 +1059,10 @@
       }
     },
     "node_modules/chalk": {
-      "version": "5.3.0",
-      "resolved": "https://registry.npmjs.org/chalk/-/chalk-5.3.0.tgz",
-      "integrity": "sha512-dLitG79d+GV1Nb/VYcCDFivJeK1hiukt9QjRNVOsUtTy1rR1YJsmpGGTZ3qJos+uw7WmWF4wUwBd9jxjocFC2w==",
+      "version": "5.6.2",
+      "resolved": "https://registry.npmjs.org/chalk/-/chalk-5.6.2.tgz",
+      "integrity": "sha512-7NzBL0rN6fMUW+f7A6Io4h40qQlG+xGmtMxfbnH/K7TAtt8JQWVQK+6g0UXKMeVJoyV5EkkNsErQ8pVD3bLHbA==",
+      "license": "MIT",
       "engines": {
         "node": "^12.17.0 || ^14.13 || >=16.0.0"
       },
@@ -1308,9 +1309,9 @@
       "dev": true
     },
     "node_modules/diff": {
-      "version": "8.0.3",
-      "resolved": "https://registry.npmjs.org/diff/-/diff-8.0.3.tgz",
-      "integrity": "sha512-qejHi7bcSD4hQAZE0tNAawRK1ZtafHDmMTMkrrIGgSLl7hTnQHmKCeB45xAcbfTqK2zowkM3j3bHt/4b/ARbYQ==",
+      "version": "9.0.0",
+      "resolved": "https://registry.npmjs.org/diff/-/diff-9.0.0.tgz",
+      "integrity": "sha512-svtcdpS8CgJyqAjEQIXdb3OjhFVVYjzGAPO8WGCmRbrml64SPw/jJD4GoE98aR7r25A0XcgrK3F02yw9R/vhQw==",
       "license": "BSD-3-Clause",
       "engines": {
         "node": ">=0.3.1"
diff --git a/package.json b/package.json
index 538a567..8609cc5 100644
--- a/package.json
+++ b/package.json
@@ -34,7 +34,7 @@
   },
   "homepage": "https://github.com/markedjs/testutils#readme",
   "dependencies": {
-    "@markedjs/html-differ": "^5.0.4",
+    "@markedjs/html-differ": "^5.0.5",
     "front-matter": "^4.0.2",
     "marked": "18.0.0",
     "marked-repo": "https://github.com/markedjs/marked/tarball/v18.0.0"