diff --git a/types/markdown-it/index.d.ts b/types/markdown-it/index.d.ts
index e4b46fb49aa2f9..03fab3f815b275 100644
--- a/types/markdown-it/index.d.ts
+++ b/types/markdown-it/index.d.ts
@@ -1,4 +1,4 @@
-// Type definitions for markdown-it v10.0.0
+// Type definitions for markdown-it v12.0.2
 // Project: https://github.com/markdown-it/markdown-it
 // Definitions by: York Yao <https://github.com/plantain-00>
 //                 Robert Coie <https://github.com/rapropos>
diff --git a/types/markdown-it/lib/index.d.ts b/types/markdown-it/lib/index.d.ts
index fda1d248683a06..126f8518335876 100644
--- a/types/markdown-it/lib/index.d.ts
+++ b/types/markdown-it/lib/index.d.ts
@@ -82,12 +82,12 @@ declare namespace MarkdownIt {
 
         /**
          * Highlighter function for fenced code blocks.
-         * Highlighter `function (str, lang)` should return escaped HTML. It can also
-         * return empty string if the source was not changed and should be escaped
-         * externaly. If result starts with <pre... internal wrapper is skipped.
+         * Highlighter `function (str, lang, attrs)` should return escaped HTML. It can
+         * also return empty string if the source was not changed and should be escaped
+         * externally. If result starts with <pre... internal wrapper is skipped.
          * @default null
          */
-        highlight?: ((str: string, lang: string) => string) | null;
+        highlight?: ((str: string, lang: string, attrs: string) => string) | null;
     }
 
     type PluginSimple = (md: MarkdownIt) => void;
diff --git a/types/markdown-it/package.json b/types/markdown-it/package.json
index 8e8e452b5d49d6..68c2ce3ccd7c52 100644
--- a/types/markdown-it/package.json
+++ b/types/markdown-it/package.json
@@ -1,7 +1,6 @@
 {
     "private": true,
     "dependencies": {
-        "highlight.js": "^9.7.0",
         "@types/highlight.js": "^9.7.0"
     }
 }
diff --git a/types/markdown-it/test/index.ts b/types/markdown-it/test/index.ts
index d818113c85bbe6..0272444c27ab89 100644
--- a/types/markdown-it/test/index.ts
+++ b/types/markdown-it/test/index.ts
@@ -46,6 +46,18 @@ import LinkifyIt = require('linkify-it');
         quotes: '\u201c\u201d\u2018\u2019' /* “”‘’ */,
         highlight: null,
     };
+
+    // highlight
+    options = {
+        html: false,
+        xhtmlOut: false,
+        breaks: false,
+        langPrefix: 'language-',
+        linkify: false,
+        typographer: false,
+        quotes: '\u201c\u201d\u2018\u2019' /* “”‘’ */,
+        highlight: function(str, lang, attrs) { return ""; },
+    };
 }
 
 {