diff --git a/media_source/system/js/highlight.es6.js b/media_source/system/js/highlight.es6.js
index 65e6ec77b8e34..3b544e46e3b03 100644
--- a/media_source/system/js/highlight.es6.js
+++ b/media_source/system/js/highlight.es6.js
@@ -1,6 +1,6 @@
-import Mark from 'mark.js/src/vanilla';
+import Mark from 'advanced-mark.js/src/vanilla';
 
-// mark.js defaults
+// advanced-mark.js defaults
 const defaultOptions = {
   exclude: [],
   separateWordSearch: true,
diff --git a/package-lock.json b/package-lock.json
index e03de74e675e2..b2c7678392aea 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -34,6 +34,7 @@
         "@vue-flow/minimap": "^1.5.4",
         "@vue-flow/node-resizer": "^1.5.1",
         "accessibility": "^3.0.17",
+        "advanced-mark.js": "^3.0.0",
         "altcha": "^2.3.0",
         "awesomplete": "^1.1.7",
         "bootstrap": "^5.3.8",
@@ -47,7 +48,6 @@
         "joomla-ui-custom-elements": "^0.4.1",
         "jquery": "^3.7.1",
         "jquery-migrate": "^3.6.0",
-        "mark.js": "^8.11.1",
         "mediaelement": "^7.1.0",
         "metismenujs": "^1.4.0",
         "punycode": "^2.3.1",
@@ -4268,6 +4268,12 @@
         "acorn": "^6.0.0 || ^7.0.0 || ^8.0.0"
       }
     },
+    "node_modules/advanced-mark.js": {
+      "version": "3.0.0",
+      "resolved": "https://registry.npmjs.org/advanced-mark.js/-/advanced-mark.js-3.0.0.tgz",
+      "integrity": "sha512-PAQcvOXosSsdY9G2Tb/kR2vgAgzmLTtpy49t7QYgyEzxVkuwAL1JuKGRvfpwKdb3Ga3hZmFvJ7S6Pj0JVos2nQ==",
+      "license": "MIT"
+    },
     "node_modules/ajv": {
       "version": "6.14.0",
       "resolved": "https://registry.npmjs.org/ajv/-/ajv-6.14.0.tgz",
@@ -8996,12 +9002,6 @@
         "node": ">=6.0.0"
       }
     },
-    "node_modules/mark.js": {
-      "version": "8.11.1",
-      "resolved": "https://registry.npmjs.org/mark.js/-/mark.js-8.11.1.tgz",
-      "integrity": "sha512-1I+1qpDt4idfgLQG+BNWmrqku+7/2bi5nLf4YwF8y8zXvmfiTBY3PV3ZibfrjBueCByROpuBjLLFCajqkgYoLQ==",
-      "license": "MIT"
-    },
     "node_modules/math-intrinsics": {
       "version": "1.1.0",
       "resolved": "https://registry.npmjs.org/math-intrinsics/-/math-intrinsics-1.1.0.tgz",
diff --git a/package.json b/package.json
index f9878c64a34df..37d6a313d35c4 100644
--- a/package.json
+++ b/package.json
@@ -57,6 +57,7 @@
     "@vue-flow/minimap": "^1.5.4",
     "@vue-flow/node-resizer": "^1.5.1",
     "accessibility": "^3.0.17",
+    "advanced-mark.js": "^3.0.0",
     "altcha": "^2.3.0",
     "awesomplete": "^1.1.7",
     "bootstrap": "^5.3.8",
@@ -70,7 +71,6 @@
     "joomla-ui-custom-elements": "^0.4.1",
     "jquery": "^3.7.1",
     "jquery-migrate": "^3.6.0",
-    "mark.js": "^8.11.1",
     "mediaelement": "^7.1.0",
     "metismenujs": "^1.4.0",
     "punycode": "^2.3.1",