diff --git a/denops/dpp/types.ts b/denops/dpp/types.ts
index 57a7043..49e7424 100644
--- a/denops/dpp/types.ts
+++ b/denops/dpp/types.ts
@@ -3,6 +3,7 @@ import { BaseProtocol, BaseProtocolParams } from "./base/protocol.ts";
 import { Denops } from "./deps.ts";
 
 export { BaseConfig } from "./base/config.ts";
+export type { ConfigArguments, ConfigReturn } from "./base/config.ts";
 export { BaseExt } from "./base/ext.ts";
 export type { BaseExtParams } from "./base/ext.ts";
 export { BaseProtocol } from "./base/protocol.ts";
diff --git a/denops/dpp/utils.ts b/denops/dpp/utils.ts
index ff8e66a..1c67d39 100644
--- a/denops/dpp/utils.ts
+++ b/denops/dpp/utils.ts
@@ -1,4 +1,5 @@
 import { assertEquals, Denops, is } from "./deps.ts";
+import { Plugin } from "./types.ts";
 
 export async function errorException(
   denops: Denops,