diff --git a/src/index.cjs b/src/index.cjs
index 696b061..f8fe0bc 100644
--- a/src/index.cjs
+++ b/src/index.cjs
@@ -1,7 +1,8 @@
-const { createLanguageServicePlugin } = require('@volar/typescript/lib/quickstart/createLanguageServicePlugin.js');
+const ts = require('typescript');
+const { createAsyncLanguageServicePlugin } = require('@volar/typescript/lib/quickstart/createAsyncLanguageServicePlugin.js');
 const { createPngLanguagePlugin } = require('./language-plugin.cjs');
 
-module.exports = createLanguageServicePlugin((ts, info) => {
+module.exports = createAsyncLanguageServicePlugin(['.png'], ts.ScriptKind.TS, async (ts, info) => {
   if (info.project.projectKind !== ts.server.ProjectKind.Configured) {
     return { languagePlugins: [] };
   }