diff --git a/src/config/index.ts b/src/config/index.ts
index 0f3e60e..ee57872 100644
--- a/src/config/index.ts
+++ b/src/config/index.ts
@@ -1,4 +1,4 @@
-import {Server, ServerOptions} from 'ws';
+import type {Server, ServerOptions} from 'ws';
 
 export interface IConfig {
   readonly host: string;