diff --git a/package-lock.json b/package-lock.json
index 77ce1c6a..fbd0b4c5 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -39,7 +39,7 @@
       },
       "devDependencies": {
         "@adobe/eslint-config-helix": "2.0.7",
-        "@markedjs/html-differ": "4.0.2",
+        "@markedjs/html-differ": "5.0.1",
         "@semantic-release/changelog": "6.0.3",
         "@semantic-release/git": "10.0.1",
         "@semantic-release/npm": "12.0.1",
@@ -503,20 +503,30 @@
       }
     },
     "node_modules/@markedjs/html-differ": {
-      "version": "4.0.2",
-      "resolved": "https://registry.npmjs.org/@markedjs/html-differ/-/html-differ-4.0.2.tgz",
-      "integrity": "sha512-rvR+iYWTjezw4QpjpKUPDz8QFrHBpJ7osh3m/tyDbS5abm+tI1NVilkh9vPP+Gl5uDl6uKrom/CvcJc36T62kg==",
+      "version": "5.0.1",
+      "resolved": "https://registry.npmjs.org/@markedjs/html-differ/-/html-differ-5.0.1.tgz",
+      "integrity": "sha512-8kvQbOW53qoySXyhahzsM26LVhMUhhzPDvxpyX9WWVS6TVk3xG9RkZvg1IJFEIGTzYQh1xQ4IA44HjKIn5WxKA==",
       "dev": true,
       "dependencies": {
-        "chalk": "^5.0.1",
+        "chalk": "^5.3.0",
         "coa": "^2.0.2",
-        "diff": "^5.0.0",
+        "diff": "^6.0.0",
         "parse5-sax-parser": "^7.0.0"
       },
       "bin": {
         "html-differ": "bin/html-differ.js"
       }
     },
+    "node_modules/@markedjs/html-differ/node_modules/diff": {
+      "version": "6.0.0",
+      "resolved": "https://registry.npmjs.org/diff/-/diff-6.0.0.tgz",
+      "integrity": "sha512-NbGtgPSw7il+jeajji1H6iKjCk3r/ANQKw3FFUhGV50+MH5MKIMeUmi53piTr7jlkWcq9eS858qbkRzkehwe+w==",
+      "dev": true,
+      "license": "BSD-3-Clause",
+      "engines": {
+        "node": ">=0.3.1"
+      }
+    },
     "node_modules/@nodelib/fs.scandir": {
       "version": "2.1.5",
       "resolved": "https://registry.npmjs.org/@nodelib/fs.scandir/-/fs.scandir-2.1.5.tgz",
diff --git a/package.json b/package.json
index 92635803..e3cc908e 100644
--- a/package.json
+++ b/package.json
@@ -73,7 +73,7 @@
   },
   "devDependencies": {
     "@adobe/eslint-config-helix": "2.0.7",
-    "@markedjs/html-differ": "4.0.2",
+    "@markedjs/html-differ": "5.0.1",
     "@semantic-release/changelog": "6.0.3",
     "@semantic-release/git": "10.0.1",
     "@semantic-release/npm": "12.0.1",