diff --git a/p2p/switch_test.go b/p2p/switch_test.go
index 8829377b0..2e6e9ddde 100644
--- a/p2p/switch_test.go
+++ b/p2p/switch_test.go
@@ -4,7 +4,6 @@ import (
 	"bytes"
 	"errors"
 	"fmt"
-	net2 "github.com/line/ostracon/libs/net"
 	"io/ioutil"
 	"net"
 	"net/http/httptest"
@@ -21,6 +20,7 @@ import (
 	"github.com/line/ostracon/config"
 	"github.com/line/ostracon/crypto/ed25519"
 	"github.com/line/ostracon/libs/log"
+	net2 "github.com/line/ostracon/libs/net"
 	tmsync "github.com/line/ostracon/libs/sync"
 	"github.com/line/ostracon/p2p/conn"
 )
diff --git a/p2p/upnp/upnp.go b/p2p/upnp/upnp.go
index 83ba66e69..e3bbe5eda 100644
--- a/p2p/upnp/upnp.go
+++ b/p2p/upnp/upnp.go
@@ -10,13 +10,14 @@ import (
 	"encoding/xml"
 	"errors"
 	"fmt"
-	net2 "github.com/line/ostracon/libs/net"
 	"io/ioutil"
 	"net"
 	"net/http"
 	"strconv"
 	"strings"
 	"time"
+
+	net2 "github.com/line/ostracon/libs/net"
 )
 
 const HttpRequestTimeout = 30 * time.Second