diff --git a/package.json b/package.json
index 592a694..9826435 100644
--- a/package.json
+++ b/package.json
@@ -26,7 +26,7 @@
     "check": "pnpm run typecheck && pnpm run lint && pnpm run format:check && pnpm run test"
   },
   "dependencies": {
-    "highlight.js": "^11.11.1"
+    "highlight.js": "^11.12.0"
   },
   "devDependencies": {
     "@eslint/js": "^9.18.0",
diff --git a/pnpm-lock.yaml b/pnpm-lock.yaml
index 35daecd..208cc91 100644
--- a/pnpm-lock.yaml
+++ b/pnpm-lock.yaml
@@ -9,8 +9,8 @@ importers:
   .:
     dependencies:
       highlight.js:
-        specifier: ^11.11.1
-        version: 11.11.1
+        specifier: ^11.12.0
+        version: 11.12.0
     devDependencies:
       '@eslint/js':
         specifier: ^9.18.0
@@ -1129,6 +1129,7 @@ packages:
   eslint@9.39.5:
     resolution: {integrity: sha512-DgZS62aPLXKlnxILS/AYCoRvHaZeXceIzlXPkkGGzJWSow1aEk0lbTlxUSlyjC8jcaKxAdOnTDz+o1JFSBsyjw==}
     engines: {node: ^18.18.0 || ^20.9.0 || >=21.1.0}
+    deprecated: This version is no longer supported. Please see https://eslint.org/version-support for other options.
     hasBin: true
     peerDependencies:
       jiti: '*'
@@ -1275,8 +1276,8 @@ packages:
     resolution: {integrity: sha512-T2UbfbBEF32wiepXIsMlTW9+dDYC6wMh/t/vYA4tuOMKqWz/n3vr1NFSxQiyP+zk2mXsoMA/i/7qV6LKut1t1A==}
     engines: {node: '>= 0.4'}
 
-  highlight.js@11.11.1:
-    resolution: {integrity: sha512-Xwwo44whKBVCYoliBQwaPvtd/2tYFkRQtXDWj1nackaV2JPXx3L0+Jvd8/qCJ2p+ML0/XVkJ2q+Mr+UVdpJK5w==}
+  highlight.js@11.12.0:
+    resolution: {integrity: sha512-nbfWpyRMcMrPMmDwJB+dhX/eiaPKtc2RB+0QZskqJ3WjRA/FDS0e9hZrx8EC/lbEv8gXy98FcDbNa/dspAaJMg==}
     engines: {node: '>=12.0.0'}
 
   html-encoding-sniffer@4.0.0:
@@ -2964,7 +2965,7 @@ snapshots:
     dependencies:
       function-bind: 1.1.2
 
-  highlight.js@11.11.1: {}
+  highlight.js@11.12.0: {}
 
   html-encoding-sniffer@4.0.0:
     dependencies: