diff --git a/tools/site/package-lock.json b/tools/site/package-lock.json
index a243e84..c37581e 100644
--- a/tools/site/package-lock.json
+++ b/tools/site/package-lock.json
@@ -6,17 +6,18 @@
     "": {
       "name": "java-concurrency-interview-site",
       "dependencies": {
-        "highlight.js": "11.11.1",
+        "highlight.js": "11.12.0",
         "marked": "18.1.1"
       },
       "engines": {
-        "node": ">=18"
+        "node": ">=20"
       }
     },
     "node_modules/highlight.js": {
-      "version": "11.11.1",
-      "resolved": "https://registry.npmjs.org/highlight.js/-/highlight.js-11.11.1.tgz",
-      "integrity": "sha512-Xwwo44whKBVCYoliBQwaPvtd/2tYFkRQtXDWj1nackaV2JPXx3L0+Jvd8/qCJ2p+ML0/XVkJ2q+Mr+UVdpJK5w==",
+      "version": "11.12.0",
+      "resolved": "https://registry.npmjs.org/highlight.js/-/highlight.js-11.12.0.tgz",
+      "integrity": "sha512-nbfWpyRMcMrPMmDwJB+dhX/eiaPKtc2RB+0QZskqJ3WjRA/FDS0e9hZrx8EC/lbEv8gXy98FcDbNa/dspAaJMg==",
+      "license": "BSD-3-Clause",
       "engines": {
         "node": ">=12.0.0"
       }
@@ -36,9 +37,9 @@
   },
   "dependencies": {
     "highlight.js": {
-      "version": "11.11.1",
-      "resolved": "https://registry.npmjs.org/highlight.js/-/highlight.js-11.11.1.tgz",
-      "integrity": "sha512-Xwwo44whKBVCYoliBQwaPvtd/2tYFkRQtXDWj1nackaV2JPXx3L0+Jvd8/qCJ2p+ML0/XVkJ2q+Mr+UVdpJK5w=="
+      "version": "11.12.0",
+      "resolved": "https://registry.npmjs.org/highlight.js/-/highlight.js-11.12.0.tgz",
+      "integrity": "sha512-nbfWpyRMcMrPMmDwJB+dhX/eiaPKtc2RB+0QZskqJ3WjRA/FDS0e9hZrx8EC/lbEv8gXy98FcDbNa/dspAaJMg=="
     },
     "marked": {
       "version": "18.1.1",
diff --git a/tools/site/package.json b/tools/site/package.json
index bd16cfa..877000e 100644
--- a/tools/site/package.json
+++ b/tools/site/package.json
@@ -10,7 +10,7 @@
     "node": ">=20"
   },
   "dependencies": {
-    "highlight.js": "11.11.1",
+    "highlight.js": "11.12.0",
     "marked": "18.1.1"
   }
 }