diff --git a/deps.ts b/deps.ts
index 3749cf8..56a40b2 100644
--- a/deps.ts
+++ b/deps.ts
@@ -5,11 +5,13 @@
 /// <reference lib="deno.ns" />
 /// <reference lib="deno.unstable" />
 
-export { emojify } from "https://deno.land/x/emoji@0.2.1/mod.ts";
+export { emojify } from "https://deno.land/x/emoji@0.3.0/mod.ts";
 
-export * as Marked from "https://esm.sh/marked@5.0.1";
+export * as Marked from "https://esm.sh/marked@5.1.0/";
 
-export { gfmHeadingId } from "https://esm.sh/marked-gfm-heading-id@3.0.3";
+export { mangle } from "https://esm.sh/marked-mangle@v1.1.0/";
+
+export { gfmHeadingId } from "https://esm.sh/marked-gfm-heading-id@3.0.4/";
 
 export { default as Prism } from "https://esm.sh/prismjs@1.29.0";
 
@@ -17,4 +19,4 @@ export { default as sanitizeHtml } from "https://esm.sh/sanitize-html@2.8.1?targ
 
 export { escape as htmlEscape } from "https://esm.sh/he@1.2.0";
 
-export { default as katex } from "https://esm.sh/katex@0.16.4/dist/katex.mjs";
+export { default as katex } from "https://esm.sh/katex@0.16.8/dist/katex.mjs";
diff --git a/example/main.ts b/example/main.ts
index 26fdd7a..2bd341f 100644
--- a/example/main.ts
+++ b/example/main.ts
@@ -1,4 +1,4 @@
-import { serve } from "https://deno.land/std@0.177.0/http/server.ts";
+import { serve } from "https://deno.land/std@0.192.0/http/server.ts";
 
 import { CSS, KATEX_CSS, render } from "../mod.ts";
 
diff --git a/mod.ts b/mod.ts
index b243c73..4246110 100644
--- a/mod.ts
+++ b/mod.ts
@@ -3,6 +3,7 @@ import {
   gfmHeadingId,
   htmlEscape,
   katex,
+  mangle,
   Marked,
   Prism,
   sanitizeHtml,
@@ -10,6 +11,7 @@ import {
 import { CSS, KATEX_CLASSES, KATEX_CSS } from "./style.js";
 export { CSS, KATEX_CSS, Marked };
 
+Marked.marked.use(mangle());
 Marked.marked.use(gfmHeadingId());
 
 class Renderer extends Marked.Renderer {