diff --git a/koa-bodyparser/index.d.ts b/koa-bodyparser/index.d.ts
index d3849cf9f9..932a53f7af 100644
--- a/koa-bodyparser/index.d.ts
+++ b/koa-bodyparser/index.d.ts
@@ -59,6 +59,7 @@ declare function bodyParser(opts?: {
     extendTypes?: {
         json?: string[];
         form?: string[];
+        text?: string[];
     }
 
     /**