diff --git a/types/ioredis/index.d.ts b/types/ioredis/index.d.ts
index 0e348ea430..b9937fc390 100644
--- a/types/ioredis/index.d.ts
+++ b/types/ioredis/index.d.ts
@@ -226,6 +226,8 @@ declare namespace IORedis {
 
         zadd(key: KeyType, ...args: string[]): Promise<number | string>;
 
+        zaddBuffer(key: KeyType, score1: number, member1: Buffer): Promise<string | number>;
+
         zincrby(key: KeyType, increment: number, member: string, callback: (err: Error, res: any) => void): void;
         zincrby(key: KeyType, increment: number, member: string): Promise<any>;
 
@@ -448,6 +450,8 @@ declare namespace IORedis {
         publish(channel: string, message: string, callback: (err: Error, res: number) => void): void;
         publish(channel: string, message: string): Promise<number>;
 
+        publishBuffer(channel: string, message: Buffer): Promise<number>;
+
         watch(...keys: KeyType[]): any;
 
         unwatch(callback: (err: Error, res: string) => void): void;
diff --git a/types/ioredis/ioredis-tests.ts b/types/ioredis/ioredis-tests.ts
index da6681ab65..4b6d2b0da9 100644
--- a/types/ioredis/ioredis-tests.ts
+++ b/types/ioredis/ioredis-tests.ts
@@ -85,7 +85,7 @@ redis.subscribe('news', 'music', (err: any, count: any) => {
     // `count` represents the number of channels we are currently subscribed to.
 
     pub.publish('news', 'Hello world!');
-    pub.publish('music', 'Hello again!');
+    pub.publishBuffer('music', Buffer.from('Hello again!'));
 });
 
 redis.on('message', (channel: any, message: any) => {
@@ -272,3 +272,7 @@ const defineCommandResult = cluster.defineCommand('defineCommand', {
 });
 console.log(defineCommandResult);
 cluster.sendCommand();
+
+redis.zaddBuffer('foo', 1, Buffer.from('bar')).then(() => {
+    // sorted set 'foo' now has score 'foo1' containing barBuffer
+});
diff --git a/types/ioredis/v3/index.d.ts b/types/ioredis/v3/index.d.ts
index c58a1d16cc..cf164ee769 100644
--- a/types/ioredis/v3/index.d.ts
+++ b/types/ioredis/v3/index.d.ts
@@ -221,6 +221,8 @@ declare namespace IORedis {
 
         zadd(key: string, ...args: string[]): any;
 
+        zaddBuffer(key: string, score1: number, member1: Buffer): Promise<string | number>;
+
         zincrby(key: string, increment: number, member: string, callback: (err: Error, res: any) => void): void;
         zincrby(key: string, increment: number, member: string): Promise<any>;
 
@@ -439,6 +441,8 @@ declare namespace IORedis {
         publish(channel: string, message: string, callback: (err: Error, res: number) => void): void;
         publish(channel: string, message: string): Promise<number>;
 
+        publishBuffer(channel: string, message: Buffer): Promise<number>;
+
         watch(...keys: string[]): any;
 
         unwatch(callback: (err: Error, res: string) => void): void;
diff --git a/types/ioredis/v3/ioredis-tests.ts b/types/ioredis/v3/ioredis-tests.ts
index b2ac8e6de0..f05ed73114 100644
--- a/types/ioredis/v3/ioredis-tests.ts
+++ b/types/ioredis/v3/ioredis-tests.ts
@@ -74,7 +74,7 @@ redis.subscribe('news', 'music', (err: any, count: any) => {
     // `count` represents the number of channels we are currently subscribed to.
 
     pub.publish('news', 'Hello world!');
-    pub.publish('music', 'Hello again!');
+    pub.publishBuffer('music', Buffer.from('Hello again!'));
 });
 
 redis.on('message', (channel: any, message: any) => {
@@ -180,3 +180,7 @@ new Redis.Cluster([], {
 new Redis.Cluster([], {
     clusterRetryStrategy: (times: number) => 1
 });
+
+redis.zaddBuffer('foo', 1, Buffer.from('bar')).then(() => {
+    // sorted set 'foo' now has score 'foo1' containing barBuffer
+});