diff --git a/common/deps.ts b/common/deps.ts
index d5473af1..b19792b2 100644
--- a/common/deps.ts
+++ b/common/deps.ts
@@ -106,6 +106,7 @@ export {
 } from "https://esm.sh/@codemirror/legacy-modes@6.3.2/mode/sql?external=@codemirror/language&target=es2022";
 export { rust as rustLanguage } from "https://esm.sh/@codemirror/legacy-modes@6.3.2/mode/rust?external=@codemirror/language&target=es2022";
 export { css as cssLanguage } from "https://esm.sh/@codemirror/legacy-modes@6.3.2/mode/css?external=@codemirror/language&target=es2022";
+export { html as htmlLanguage } from "@codemirror/lang-html";
 export { python as pythonLanguage } from "https://esm.sh/@codemirror/legacy-modes@6.3.2/mode/python?external=@codemirror/language&target=es2022";
 export { protobuf as protobufLanguage } from "https://esm.sh/@codemirror/legacy-modes@6.3.2/mode/protobuf?external=@codemirror/language&target=es2022";
 export { shell as shellLanguage } from "https://esm.sh/@codemirror/legacy-modes@6.3.2/mode/shell?external=@codemirror/language&target=es2022";
diff --git a/web/editor_state.ts b/web/editor_state.ts
index 4a232c6d..1c365962 100644
--- a/web/editor_state.ts
+++ b/web/editor_state.ts
@@ -61,6 +61,7 @@ import {
   attachmentExtension,
   pasteLinkExtension,
 } from "./cm_plugins/editor_paste.ts";
+import { htmlLanguage } from "https://esm.sh/v130/@codemirror/lang-html@6.4.3/X-ZS9AY29kZW1pcnJvci9hdXRvY29tcGxldGUsQGNvZGVtaXJyb3IvbGFuZy1jc3MsQGNvZGVtaXJyb3IvbGFuZ3VhZ2UsQGNvZGVtaXJyb3Ivc3RhdGUsQGxlemVyL2h0bWwsQGxlemVyL2xy/dist/index.js";
 
 export function createEditorState(
   editor: Client,
@@ -159,6 +160,10 @@ export function createEditorState(
             name: "css",
             support: new LanguageSupport(StreamLanguage.define(sqlLanguage)),
           }),
+          LanguageDescription.of({
+            name: "html",
+            support: new LanguageSupport(htmlLanguage),
+          }),
           LanguageDescription.of({
             name: "python",
             alias: ["py"],