diff --git a/example/client.go b/example/client.go
index 4ff66e8..a7f7fbe 100644
--- a/example/client.go
+++ b/example/client.go
@@ -2,7 +2,7 @@ package main
 
 import (
 	"fmt"
-	"github.com/lim-yoona/msgpack"
+	"github.com/lim-yoona/tcpack"
 	"net"
 )
 
@@ -16,7 +16,7 @@ func main() {
 	if err != nil {
 		fmt.Println("create tcpconn failed", err)
 	}
-	mp := msgpack.NewMsgPack(8, tcpConn)
+	mp := tcpack.NewMsgPack(8, tcpConn)
 	go func() {
 		for {
 			msg, err := mp.Unpack()
@@ -32,7 +32,7 @@ func main() {
 		for {
 			var data string
 			fmt.Scanln(&data)
-			msg := msgpack.NewMessage(0, uint32(len([]byte(data))), []byte(data))
+			msg := tcpack.NewMessage(0, uint32(len([]byte(data))), []byte(data))
 			msgByte, err := mp.Pack(msg)
 			if err != nil {
 				fmt.Println("msg pack failed:", err)
diff --git a/example/server.go b/example/server.go
index 533e403..9c2ea89 100644
--- a/example/server.go
+++ b/example/server.go
@@ -2,7 +2,7 @@ package main
 
 import (
 	"fmt"
-	"github.com/lim-yoona/msgpack"
+	"github.com/lim-yoona/tcpack"
 	"net"
 	"time"
 )
@@ -22,7 +22,7 @@ func main() {
 		if err != nil {
 			fmt.Println("return conn failed")
 		}
-		mp := msgpack.NewMsgPack(8, tcpConn)
+		mp := tcpack.NewMsgPack(8, tcpConn)
 		go func() {
 			for {
 				msg, err := mp.Unpack()
@@ -39,7 +39,7 @@ func main() {
 			for {
 				var data string
 				fmt.Scanln(&data)
-				msg := msgpack.NewMessage(0, uint32(len([]byte(data))), []byte(data))
+				msg := tcpack.NewMessage(0, uint32(len([]byte(data))), []byte(data))
 				msgByte, err := mp.Pack(msg)
 				if err != nil {
 					fmt.Println("msg pack failed:", err)
diff --git a/example/transmitJSON.go b/example/transmitJSON.go
index ba41487..13cb8dd 100644
--- a/example/transmitJSON.go
+++ b/example/transmitJSON.go
@@ -3,7 +3,7 @@ package main
 import (
 	"encoding/json"
 	"fmt"
-	"github.com/lim-yoona/msgpack"
+	"github.com/lim-yoona/tcpack"
 	"net"
 )
 
@@ -19,12 +19,12 @@ func main() {
 	//server
 	listener, _ := net.ListenTCP("tcp4", address2)
 
-	msgChan := make(chan *msgpack.Imessage, 10)
+	msgChan := make(chan *tcpack.Imessage, 10)
 
 	go func() {
 		for {
 			tcpConnServer, _ := listener.AcceptTCP()
-			mpServer := msgpack.NewMsgPack(8, tcpConnServer)
+			mpServer := tcpack.NewMsgPack(8, tcpConnServer)
 			for {
 				msgRev, _ := mpServer.Unpack()
 				msgChan <- &msgRev
@@ -38,7 +38,7 @@ func main() {
 		fmt.Println("create tcpConn failed")
 	}
 
-	mpClient := msgpack.NewMsgPack(8, tcpConnClient)
+	mpClient := tcpack.NewMsgPack(8, tcpConnClient)
 
 	jack := &Person{
 		Name: "jack",
@@ -46,7 +46,7 @@ func main() {
 	}
 	data, _ := json.Marshal(jack)
 	fmt.Println("send JSON:", string(data))
-	msgSend := msgpack.NewMessage(0, uint32(len(data)), data)
+	msgSend := tcpack.NewMessage(0, uint32(len(data)), data)
 	msgSendByte, _ := mpClient.Pack(msgSend)
 	_, _ = tcpConnClient.Write(msgSendByte)
 
diff --git a/go.mod b/go.mod
index 57af57e..8d4d9f8 100644
--- a/go.mod
+++ b/go.mod
@@ -2,10 +2,7 @@ module github.com/lim-yoona/tcpack
 
 go 1.20
 
-require (
-	github.com/lim-yoona/msgpack v0.1.0
-	github.com/smartystreets/goconvey v1.8.1
-)
+require github.com/smartystreets/goconvey v1.8.1
 
 require (
 	github.com/gopherjs/gopherjs v1.17.2 // indirect
diff --git a/go.sum b/go.sum
index 14348cd..7fea79b 100644
--- a/go.sum
+++ b/go.sum
@@ -2,8 +2,6 @@ github.com/gopherjs/gopherjs v1.17.2 h1:fQnZVsXk8uxXIStYb0N4bGk7jeyTalG/wsZjQ25d
 github.com/gopherjs/gopherjs v1.17.2/go.mod h1:pRRIvn/QzFLrKfvEz3qUuEhtE/zLCWfreZ6J5gM2i+k=
 github.com/jtolds/gls v4.20.0+incompatible h1:xdiiI2gbIgH/gLH7ADydsJ1uDOEzR8yvV7C0MuV77Wo=
 github.com/jtolds/gls v4.20.0+incompatible/go.mod h1:QJZ7F/aHp+rZTRtaJ1ow/lLfFfVYBRgL+9YlvaHOwJU=
-github.com/lim-yoona/msgpack v0.1.0 h1:sAULeEVw0RpF9iujzIFzAYntuE/dFd9v6yLqhWZKAPU=
-github.com/lim-yoona/msgpack v0.1.0/go.mod h1:w/GynN0+bueeewRWfznv51+auiQuX1O/BSp41dAHFWk=
 github.com/smarty/assertions v1.15.0 h1:cR//PqUBUiQRakZWqBiFFQ9wb8emQGDb0HeGdqGByCY=
 github.com/smarty/assertions v1.15.0/go.mod h1:yABtdzeQs6l1brC900WlRNwj6ZR55d7B+E8C6HtKdec=
 github.com/smartystreets/goconvey v1.8.1 h1:qGjIddxOk4grTu9JPOU31tVfq3cNdBlNa5sSznIX1xY=