diff --git a/src/index.tsx b/src/index.tsx
index b00511a..a7ab945 100644
--- a/src/index.tsx
+++ b/src/index.tsx
@@ -1,5 +1,5 @@
 import { join } from 'path'
-import { render as formatHTML } from './html-formatter'
+import { render as formatHTML } from './lib/html-formatter'
 import { type Context, Hono, type Schema, type Env } from 'hono'
 import { serveStatic } from 'hono/bun'
 import color from 'kleur'
diff --git a/src/html-formatter.js b/src/lib/html-formatter.js
similarity index 100%
rename from src/html-formatter.js
rename to src/lib/html-formatter.js