diff --git a/package-lock.json b/package-lock.json
index a5b41ddc..14328050 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -5660,9 +5660,9 @@
       "dev": true
     },
     "highlight.js": {
-      "version": "10.7.3",
-      "resolved": "https://registry.npmjs.org/highlight.js/-/highlight.js-10.7.3.tgz",
-      "integrity": "sha512-tzcUFauisWKNHaRkN4Wjl/ZA07gENAjFl3J/c480dprkGTg5EQstgaNFqBfUqCq54kZRIEcreTsAgF/m2quD7A=="
+      "version": "11.5.1",
+      "resolved": "https://registry.npmjs.org/highlight.js/-/highlight.js-11.5.1.tgz",
+      "integrity": "sha512-LKzHqnxr4CrD2YsNoIf/o5nJ09j4yi/GcH5BnYz9UnVpZdS4ucMgvP61TDty5xJcFGRjnH4DpujkS9bHT3hq0Q=="
     },
     "homedir-polyfill": {
       "version": "1.0.3",
diff --git a/package.json b/package.json
index 8d292d5b..7113fed1 100644
--- a/package.json
+++ b/package.json
@@ -54,7 +54,7 @@
   "dependencies": {
     "@neos21/bootstrap3-glyphicons": "^1.0.7",
     "bootstrap": "^4.6.0",
-    "highlight.js": "^10.7.3",
+    "highlight.js": "^11.5.1",
     "jquery": "^3.6.0",
     "popper.js": "^1.16.1"
   }