diff --git a/types/ioredis/index.d.ts b/types/ioredis/index.d.ts
index 7a36c4b7a6..8353b4e563 100644
--- a/types/ioredis/index.d.ts
+++ b/types/ioredis/index.d.ts
@@ -2,6 +2,7 @@
 // Project: https://github.com/luin/ioredis
 // Definitions by: York Yao <https://github.com/plantain-00/>
 //                 Christopher Eck <https://github.com/chrisleck>
+//                 Yoga Aliarham <https://github.com/aliarham11>
 // Definitions: https://github.com/DefinitelyTyped/DefinitelyTyped
 
 /* =================== USAGE ===================
@@ -325,16 +326,22 @@ declare module IORedis {
         evalsha(args: any[], callback?: ResCallbackT<any>): any;
         evalsha(...args: any[]): any;
         script(args: any[], callback?: ResCallbackT<any>): any;
-        script(...args: any[]): any;
         script(key: string, callback?: ResCallbackT<any>): any;
+        script(...args: any[]): any;
         quit(args: any[], callback?: ResCallbackT<any>): any;
         quit(...args: any[]): any;
-        scan(...args: any[]): any;
         scan(args: any[], callback?: ResCallbackT<any>): any;
-        hscan(...args: any[]): any;
+        scan(...args: any[]): any;
         hscan(args: any[], callback?: ResCallbackT<any>): any;
-        zscan(...args: any[]): any;
+        hscan(...args: any[]): any;
         zscan(args: any[], callback?: ResCallbackT<any>): any;
+        zscan(...args: any[]): any;
+        pfmerge(args: any[], callback?: ResCallbackT<any>): any;
+        pfmerge(...args: any[]): any;
+        pfadd(args: any[], callback?: ResCallbackT<any>): any;
+        pfadd(...args: any[]): any;
+        pfcount(args: any[], callback?: ResCallbackT<any>): any;
+        pfcount(...args: any[]): any;
 
         pipeline(): Pipeline;
         pipeline(commands: string[][]): Pipeline;