diff --git a/types/prettier/index.d.ts b/types/prettier/index.d.ts
index 3a64129364..6cef2ef27a 100644
--- a/types/prettier/index.d.ts
+++ b/types/prettier/index.d.ts
@@ -256,7 +256,7 @@ export function clearConfigCache(): void;
 export interface SupportLanguage {
     name: string;
     since?: string;
-    parsers: string[];
+    parsers: BuiltInParserName[] | string[];
     group?: string;
     tmScope: string;
     aceMode: string;