diff --git a/builder/ncloud/builder.go b/builder/ncloud/builder.go
index e493661be..18f45b53c 100644
--- a/builder/ncloud/builder.go
+++ b/builder/ncloud/builder.go
@@ -5,7 +5,7 @@ import (
 	"github.com/hashicorp/packer/common"
 	"github.com/hashicorp/packer/helper/communicator"
 	"github.com/hashicorp/packer/packer"
-	"github.com/mitchellh/multistep"
+	"github.com/hashicorp/packer/helper/multistep"
 )
 
 // Builder assume this implements packer.Builder
diff --git a/builder/ncloud/ssh.go b/builder/ncloud/ssh.go
index 5e7d31748..08764aee6 100644
--- a/builder/ncloud/ssh.go
+++ b/builder/ncloud/ssh.go
@@ -2,7 +2,7 @@ package ncloud
 
 import (
 	packerssh "github.com/hashicorp/packer/communicator/ssh"
-	"github.com/mitchellh/multistep"
+	"github.com/hashicorp/packer/helper/multistep"
 	"golang.org/x/crypto/ssh"
 )
 
diff --git a/builder/ncloud/step.go b/builder/ncloud/step.go
index ba71efbee..8b312fae7 100644
--- a/builder/ncloud/step.go
+++ b/builder/ncloud/step.go
@@ -1,7 +1,7 @@
 package ncloud
 
 import (
-	"github.com/mitchellh/multistep"
+	"github.com/hashicorp/packer/helper/multistep"
 )
 
 func processStepResult(err error, sayError func(error), state multistep.StateBag) multistep.StepAction {
diff --git a/builder/ncloud/step_create_block_storage_instance.go b/builder/ncloud/step_create_block_storage_instance.go
index 7e4d4b54a..b135a15e7 100644
--- a/builder/ncloud/step_create_block_storage_instance.go
+++ b/builder/ncloud/step_create_block_storage_instance.go
@@ -1,14 +1,15 @@
 package ncloud
 
 import (
+	"context"
 	"errors"
 	"fmt"
 	"log"
 	"time"
 
 	ncloud "github.com/NaverCloudPlatform/ncloud-sdk-go/sdk"
+	"github.com/hashicorp/packer/helper/multistep"
 	"github.com/hashicorp/packer/packer"
-	"github.com/mitchellh/multistep"
 )
 
 // StepCreateBlockStorageInstance struct is for making extra block storage
@@ -54,7 +55,7 @@ func (s *StepCreateBlockStorageInstance) createBlockStorageInstance(serverInstan
 	return blockStorageInstanceList.BlockStorageInstance[0].BlockStorageInstanceNo, nil
 }
 
-func (s *StepCreateBlockStorageInstance) Run(state multistep.StateBag) multistep.StepAction {
+func (s *StepCreateBlockStorageInstance) Run(_ context.Context, state multistep.StateBag) multistep.StepAction {
 	if s.Config.BlockStorageSize == 0 {
 		return processStepResult(nil, s.Error, state)
 	}
diff --git a/builder/ncloud/step_create_block_storage_instance_test.go b/builder/ncloud/step_create_block_storage_instance_test.go
index 101e94658..feae195d1 100644
--- a/builder/ncloud/step_create_block_storage_instance_test.go
+++ b/builder/ncloud/step_create_block_storage_instance_test.go
@@ -2,8 +2,9 @@ package ncloud
 
 import (
 	"fmt"
-	"github.com/mitchellh/multistep"
 	"testing"
+
+	"github.com/hashicorp/packer/helper/multistep"
 )
 
 func TestStepCreateBlockStorageInstanceShouldFailIfOperationCreateBlockStorageInstanceFails(t *testing.T) {
diff --git a/builder/ncloud/step_create_login_key.go b/builder/ncloud/step_create_login_key.go
index f79c4decf..05ef97739 100644
--- a/builder/ncloud/step_create_login_key.go
+++ b/builder/ncloud/step_create_login_key.go
@@ -1,12 +1,13 @@
 package ncloud
 
 import (
+	"context"
 	"fmt"
 	"time"
 
 	ncloud "github.com/NaverCloudPlatform/ncloud-sdk-go/sdk"
+	"github.com/hashicorp/packer/helper/multistep"
 	"github.com/hashicorp/packer/packer"
-	"github.com/mitchellh/multistep"
 )
 
 type LoginKey struct {
@@ -44,7 +45,7 @@ func (s *StepCreateLoginKey) createLoginKey() (*LoginKey, error) {
 	return &LoginKey{KeyName, privateKey.PrivateKey}, nil
 }
 
-func (s *StepCreateLoginKey) Run(state multistep.StateBag) multistep.StepAction {
+func (s *StepCreateLoginKey) Run(_ context.Context, state multistep.StateBag) multistep.StepAction {
 	s.Say("Create Login Key")
 
 	loginKey, err := s.CreateLoginKey()
diff --git a/builder/ncloud/step_create_login_key_test.go b/builder/ncloud/step_create_login_key_test.go
index 374d10330..6f0d7af8f 100644
--- a/builder/ncloud/step_create_login_key_test.go
+++ b/builder/ncloud/step_create_login_key_test.go
@@ -2,8 +2,9 @@ package ncloud
 
 import (
 	"fmt"
-	"github.com/mitchellh/multistep"
 	"testing"
+
+	"github.com/hashicorp/packer/helper/multistep"
 )
 
 func TestStepCreateLoginKeyShouldFailIfOperationCreateLoginKeyFails(t *testing.T) {
diff --git a/builder/ncloud/step_create_public_ip_instance.go b/builder/ncloud/step_create_public_ip_instance.go
index e9c4a8e37..d4cd72b6d 100644
--- a/builder/ncloud/step_create_public_ip_instance.go
+++ b/builder/ncloud/step_create_public_ip_instance.go
@@ -1,13 +1,14 @@
 package ncloud
 
 import (
+	"context"
 	"fmt"
 	"log"
 	"time"
 
 	ncloud "github.com/NaverCloudPlatform/ncloud-sdk-go/sdk"
+	"github.com/hashicorp/packer/helper/multistep"
 	"github.com/hashicorp/packer/packer"
-	"github.com/mitchellh/multistep"
 )
 
 type StepCreatePublicIPInstance struct {
@@ -84,7 +85,7 @@ func (s *StepCreatePublicIPInstance) createPublicIPInstance(serverInstanceNo str
 	return &publicIPInstance, nil
 }
 
-func (s *StepCreatePublicIPInstance) Run(state multistep.StateBag) multistep.StepAction {
+func (s *StepCreatePublicIPInstance) Run(_ context.Context, state multistep.StateBag) multistep.StepAction {
 	s.Say("Create Public IP Instance")
 
 	serverInstanceNo := state.Get("InstanceNo").(string)
diff --git a/builder/ncloud/step_create_public_ip_instance_test.go b/builder/ncloud/step_create_public_ip_instance_test.go
index 0f44f4a33..7269e3af5 100644
--- a/builder/ncloud/step_create_public_ip_instance_test.go
+++ b/builder/ncloud/step_create_public_ip_instance_test.go
@@ -2,10 +2,11 @@ package ncloud
 
 import (
 	"fmt"
-	ncloud "github.com/NaverCloudPlatform/ncloud-sdk-go/sdk"
 	"testing"
 
-	"github.com/mitchellh/multistep"
+	ncloud "github.com/NaverCloudPlatform/ncloud-sdk-go/sdk"
+
+	"github.com/hashicorp/packer/helper/multistep"
 )
 
 func TestStepCreatePublicIPInstanceShouldFailIfOperationCreatePublicIPInstanceFails(t *testing.T) {
diff --git a/builder/ncloud/step_create_server_image.go b/builder/ncloud/step_create_server_image.go
index 8bec7f11f..447485641 100644
--- a/builder/ncloud/step_create_server_image.go
+++ b/builder/ncloud/step_create_server_image.go
@@ -1,13 +1,14 @@
 package ncloud
 
 import (
+	"context"
 	"errors"
 	"fmt"
 	"time"
 
 	ncloud "github.com/NaverCloudPlatform/ncloud-sdk-go/sdk"
+	"github.com/hashicorp/packer/helper/multistep"
 	"github.com/hashicorp/packer/packer"
-	"github.com/mitchellh/multistep"
 )
 
 type StepCreateServerImage struct {
@@ -60,7 +61,7 @@ func (s *StepCreateServerImage) createServerImage(serverInstanceNo string) (*ncl
 	return &serverImage, nil
 }
 
-func (s *StepCreateServerImage) Run(state multistep.StateBag) multistep.StepAction {
+func (s *StepCreateServerImage) Run(_ context.Context, state multistep.StateBag) multistep.StepAction {
 	s.Say("Create Server Image")
 
 	serverInstanceNo := state.Get("InstanceNo").(string)
diff --git a/builder/ncloud/step_create_server_image_test.go b/builder/ncloud/step_create_server_image_test.go
index 41a40971a..fa7745135 100644
--- a/builder/ncloud/step_create_server_image_test.go
+++ b/builder/ncloud/step_create_server_image_test.go
@@ -2,10 +2,11 @@ package ncloud
 
 import (
 	"fmt"
-	ncloud "github.com/NaverCloudPlatform/ncloud-sdk-go/sdk"
 	"testing"
 
-	"github.com/mitchellh/multistep"
+	ncloud "github.com/NaverCloudPlatform/ncloud-sdk-go/sdk"
+
+	"github.com/hashicorp/packer/helper/multistep"
 )
 
 func TestStepCreateServerImageShouldFailIfOperationCreateServerImageFails(t *testing.T) {
diff --git a/builder/ncloud/step_create_server_instance.go b/builder/ncloud/step_create_server_instance.go
index 346ce3a1c..a8a72586d 100644
--- a/builder/ncloud/step_create_server_instance.go
+++ b/builder/ncloud/step_create_server_instance.go
@@ -1,6 +1,7 @@
 package ncloud
 
 import (
+	"context"
 	"errors"
 	"fmt"
 	"io/ioutil"
@@ -8,8 +9,8 @@ import (
 	"time"
 
 	ncloud "github.com/NaverCloudPlatform/ncloud-sdk-go/sdk"
+	"github.com/hashicorp/packer/helper/multistep"
 	"github.com/hashicorp/packer/packer"
-	"github.com/mitchellh/multistep"
 )
 
 type StepCreateServerInstance struct {
@@ -81,7 +82,7 @@ func (s *StepCreateServerInstance) createServerInstance(loginKeyName string, zon
 	return s.serverInstanceNo, nil
 }
 
-func (s *StepCreateServerInstance) Run(state multistep.StateBag) multistep.StepAction {
+func (s *StepCreateServerInstance) Run(_ context.Context, state multistep.StateBag) multistep.StepAction {
 	s.Say("Create Server Instance")
 
 	var loginKey = state.Get("LoginKey").(*LoginKey)
diff --git a/builder/ncloud/step_create_server_instance_test.go b/builder/ncloud/step_create_server_instance_test.go
index ddaa34157..db337c41b 100644
--- a/builder/ncloud/step_create_server_instance_test.go
+++ b/builder/ncloud/step_create_server_instance_test.go
@@ -2,8 +2,9 @@ package ncloud
 
 import (
 	"fmt"
-	"github.com/mitchellh/multistep"
 	"testing"
+
+	"github.com/hashicorp/packer/helper/multistep"
 )
 
 func TestStepCreateServerInstanceShouldFailIfOperationCreateFails(t *testing.T) {
diff --git a/builder/ncloud/step_delete_block_storage_instance.go b/builder/ncloud/step_delete_block_storage_instance.go
index 61f8b7c3c..d43edf1c9 100644
--- a/builder/ncloud/step_delete_block_storage_instance.go
+++ b/builder/ncloud/step_delete_block_storage_instance.go
@@ -1,14 +1,15 @@
 package ncloud
 
 import (
+	"context"
 	"errors"
 	"fmt"
 	"log"
 	"time"
 
 	ncloud "github.com/NaverCloudPlatform/ncloud-sdk-go/sdk"
+	"github.com/hashicorp/packer/helper/multistep"
 	"github.com/hashicorp/packer/packer"
-	"github.com/mitchellh/multistep"
 )
 
 type StepDeleteBlockStorageInstance struct {
@@ -77,7 +78,7 @@ func (s *StepDeleteBlockStorageInstance) deleteBlockStorageInstance(serverInstan
 	return nil
 }
 
-func (s *StepDeleteBlockStorageInstance) Run(state multistep.StateBag) multistep.StepAction {
+func (s *StepDeleteBlockStorageInstance) Run(_ context.Context, state multistep.StateBag) multistep.StepAction {
 	if s.Config.BlockStorageSize == 0 {
 		return processStepResult(nil, s.Error, state)
 	}
diff --git a/builder/ncloud/step_delete_block_storage_instance_test.go b/builder/ncloud/step_delete_block_storage_instance_test.go
index ce0f0cb09..c5fc4566e 100644
--- a/builder/ncloud/step_delete_block_storage_instance_test.go
+++ b/builder/ncloud/step_delete_block_storage_instance_test.go
@@ -2,8 +2,9 @@ package ncloud
 
 import (
 	"fmt"
-	"github.com/mitchellh/multistep"
 	"testing"
+
+	"github.com/hashicorp/packer/helper/multistep"
 )
 
 func TestStepDeleteBlockStorageInstanceShouldFailIfOperationDeleteBlockStorageInstanceFails(t *testing.T) {
diff --git a/builder/ncloud/step_get_rootpassword.go b/builder/ncloud/step_get_rootpassword.go
index d9eda578a..051eb386b 100644
--- a/builder/ncloud/step_get_rootpassword.go
+++ b/builder/ncloud/step_get_rootpassword.go
@@ -1,11 +1,12 @@
 package ncloud
 
 import (
+	"context"
 	"fmt"
 
 	ncloud "github.com/NaverCloudPlatform/ncloud-sdk-go/sdk"
+	"github.com/hashicorp/packer/helper/multistep"
 	"github.com/hashicorp/packer/packer"
-	"github.com/mitchellh/multistep"
 )
 
 type StepGetRootPassword struct {
@@ -42,7 +43,7 @@ func (s *StepGetRootPassword) getRootPassword(serverInstanceNo string, privateKe
 	return rootPassword.RootPassword, nil
 }
 
-func (s *StepGetRootPassword) Run(state multistep.StateBag) multistep.StepAction {
+func (s *StepGetRootPassword) Run(_ context.Context, state multistep.StateBag) multistep.StepAction {
 	s.Say("Get Root Password")
 
 	serverInstanceNo := state.Get("InstanceNo").(string)
diff --git a/builder/ncloud/step_get_rootpassword_test.go b/builder/ncloud/step_get_rootpassword_test.go
index b9ed6aa56..1717b5753 100644
--- a/builder/ncloud/step_get_rootpassword_test.go
+++ b/builder/ncloud/step_get_rootpassword_test.go
@@ -2,8 +2,9 @@ package ncloud
 
 import (
 	"fmt"
-	"github.com/mitchellh/multistep"
 	"testing"
+
+	"github.com/hashicorp/packer/helper/multistep"
 )
 
 func TestStepGetRootPasswordShouldFailIfOperationGetRootPasswordFails(t *testing.T) {
diff --git a/builder/ncloud/step_stop_server_instance.go b/builder/ncloud/step_stop_server_instance.go
index f9cce7d9f..293c8e55d 100644
--- a/builder/ncloud/step_stop_server_instance.go
+++ b/builder/ncloud/step_stop_server_instance.go
@@ -1,13 +1,14 @@
 package ncloud
 
 import (
+	"context"
 	"fmt"
 	"log"
 	"time"
 
 	ncloud "github.com/NaverCloudPlatform/ncloud-sdk-go/sdk"
+	"github.com/hashicorp/packer/helper/multistep"
 	"github.com/hashicorp/packer/packer"
-	"github.com/mitchellh/multistep"
 )
 
 type StepStopServerInstance struct {
@@ -50,7 +51,7 @@ func (s *StepStopServerInstance) stopServerInstance(serverInstanceNo string) err
 	return nil
 }
 
-func (s *StepStopServerInstance) Run(state multistep.StateBag) multistep.StepAction {
+func (s *StepStopServerInstance) Run(_ context.Context, state multistep.StateBag) multistep.StepAction {
 	s.Say("Stop Server Instance")
 
 	var serverInstanceNo = state.Get("InstanceNo").(string)
diff --git a/builder/ncloud/step_stop_server_instance_test.go b/builder/ncloud/step_stop_server_instance_test.go
index d90bc6953..04c39d313 100644
--- a/builder/ncloud/step_stop_server_instance_test.go
+++ b/builder/ncloud/step_stop_server_instance_test.go
@@ -4,7 +4,7 @@ import (
 	"fmt"
 	"testing"
 
-	"github.com/mitchellh/multistep"
+	"github.com/hashicorp/packer/helper/multistep"
 )
 
 func TestStepStopServerInstanceShouldFailIfOperationStopFails(t *testing.T) {
diff --git a/builder/ncloud/step_terminate_server_instance.go b/builder/ncloud/step_terminate_server_instance.go
index aa154812b..f6c8d281a 100644
--- a/builder/ncloud/step_terminate_server_instance.go
+++ b/builder/ncloud/step_terminate_server_instance.go
@@ -1,12 +1,13 @@
 package ncloud
 
 import (
+	"context"
 	"errors"
 	"time"
 
 	ncloud "github.com/NaverCloudPlatform/ncloud-sdk-go/sdk"
+	"github.com/hashicorp/packer/helper/multistep"
 	"github.com/hashicorp/packer/packer"
-	"github.com/mitchellh/multistep"
 )
 
 type StepTerminateServerInstance struct {
@@ -66,7 +67,7 @@ func (s *StepTerminateServerInstance) terminateServerInstance(serverInstanceNo s
 	}
 }
 
-func (s *StepTerminateServerInstance) Run(state multistep.StateBag) multistep.StepAction {
+func (s *StepTerminateServerInstance) Run(_ context.Context, state multistep.StateBag) multistep.StepAction {
 	s.Say("Terminate Server Instance")
 
 	var serverInstanceNo = state.Get("InstanceNo").(string)
diff --git a/builder/ncloud/step_terminate_server_instance_test.go b/builder/ncloud/step_terminate_server_instance_test.go
index b5967fc65..9256b85b9 100644
--- a/builder/ncloud/step_terminate_server_instance_test.go
+++ b/builder/ncloud/step_terminate_server_instance_test.go
@@ -2,8 +2,9 @@ package ncloud
 
 import (
 	"fmt"
-	"github.com/mitchellh/multistep"
 	"testing"
+
+	"github.com/hashicorp/packer/helper/multistep"
 )
 
 func TestStepTerminateServerInstanceShouldFailIfOperationTerminationFails(t *testing.T) {
diff --git a/builder/ncloud/step_validate_template.go b/builder/ncloud/step_validate_template.go
index d4c576946..c63c5f04b 100644
--- a/builder/ncloud/step_validate_template.go
+++ b/builder/ncloud/step_validate_template.go
@@ -2,13 +2,14 @@ package ncloud
 
 import (
 	"bytes"
+	"context"
 	"errors"
 	"fmt"
 	"strings"
 
 	ncloud "github.com/NaverCloudPlatform/ncloud-sdk-go/sdk"
+	"github.com/hashicorp/packer/helper/multistep"
 	"github.com/hashicorp/packer/packer"
-	"github.com/mitchellh/multistep"
 	"github.com/olekukonko/tablewriter"
 )
 
@@ -249,7 +250,7 @@ func (s *StepValidateTemplate) validateTemplate() error {
 }
 
 // Run : main funciton for validation a template
-func (s *StepValidateTemplate) Run(state multistep.StateBag) multistep.StepAction {
+func (s *StepValidateTemplate) Run(_ context.Context, state multistep.StateBag) multistep.StepAction {
 	s.Say("Validating deployment template ...")
 
 	err := s.Validate()
diff --git a/builder/ncloud/step_validate_template_test.go b/builder/ncloud/step_validate_template_test.go
index 98f45b4a0..6836f8446 100644
--- a/builder/ncloud/step_validate_template_test.go
+++ b/builder/ncloud/step_validate_template_test.go
@@ -4,7 +4,7 @@ import (
 	"fmt"
 	"testing"
 
-	"github.com/mitchellh/multistep"
+	"github.com/hashicorp/packer/helper/multistep"
 )
 
 func TestStepValidateTemplateShouldFailIfValidateFails(t *testing.T) {