diff --git a/types/koa-ratelimit/index.d.ts b/types/koa-ratelimit/index.d.ts
index fdc110ef54..af242ed587 100644
--- a/types/koa-ratelimit/index.d.ts
+++ b/types/koa-ratelimit/index.d.ts
@@ -7,6 +7,7 @@
 
 import { Middleware, Context } from "koa";
 import { RedisClient } from "redis";
+import { Redis } from "ioredis";
 
 declare function KoaRatelimit(options?: KoaRatelimit.MiddlewareOptions): Middleware;
 
@@ -37,7 +38,7 @@ declare namespace KoaRatelimit {
         /**
          * The database powering the backing rate-limiter package.
          */
-        db: RedisClient | Map<any, any>;
+        db: Redis | RedisClient | Map<any, any>;
 
         /**
          * The length of a single limiting period. This value is expressed