diff --git a/Gopkg.lock b/Gopkg.lock
index bcb88be..2736379 100644
--- a/Gopkg.lock
+++ b/Gopkg.lock
@@ -5,7 +5,7 @@
   branch = "master"
   name = "code.gitea.io/sdk"
   packages = ["gitea"]
-  revision = "39c609e903992e25deca0e7aa2c5304fd680530f"
+  revision = "79a281c4e34ae44cf96a23f0283729a074a6c2a0"
 
 [[projects]]
   name = "github.com/davecgh/go-spew"
@@ -37,20 +37,9 @@
   revision = "792786c7400a136282c1664665ae0a8db921c6c2"
   version = "v1.0.0"
 
-[[projects]]
-  name = "github.com/stretchr/objx"
-  packages = ["."]
-  revision = "477a77ecc69700c7cdeb1fa9e129548e1c1c393c"
-  version = "v0.1.1"
-
 [[projects]]
   name = "github.com/stretchr/testify"
-  packages = [
-    ".",
-    "assert",
-    "http",
-    "mock"
-  ]
+  packages = ["assert"]
   revision = "f35b8ab0b5a2cef36673838d662e249dd9c94686"
   version = "v1.2.2"
 
@@ -95,6 +84,6 @@
 [solve-meta]
   analyzer-name = "dep"
   analyzer-version = 1
-  inputs-digest = "884bf618611f0aaad19defa64a14fa70fd2b522afe8cf99dedbfada2a9d8b88d"
+  inputs-digest = "a63a8945bd36ecc14dfbb7f9894543855f9e9e2e493dfdb77c06b4a12aada8a4"
   solver-name = "gps-cdcl"
   solver-version = 1
diff --git a/cmd/migrate-all.go b/cmd/migrate-all.go
index de3d840..eb09938 100644
--- a/cmd/migrate-all.go
+++ b/cmd/migrate-all.go
@@ -30,7 +30,14 @@ func runMigrateAll(ctx *cli.Context) error {
 	m := &migrations.Migratory{
 		Client:     gitea.NewClient(ctx.String("url"), ctx.String("token")),
 		Private:    ctx.Bool("private"),
-		NewOwnerID: ctx.Int("owner"),
+		NewOwnerID: ctx.Int64("owner"),
+	}
+	if m.NewOwnerID == 0 {
+		usr, err := m.Client.GetMyUserInfo()
+		if err != nil {
+			return fmt.Errorf("cannot fetch user info about current user: %v", err)
+		}
+		m.NewOwnerID = usr.ID
 	}
 	c := context.Background()
 
diff --git a/cmd/migrate.go b/cmd/migrate.go
index 271f492..b943ca4 100644
--- a/cmd/migrate.go
+++ b/cmd/migrate.go
@@ -31,7 +31,14 @@ func runMigrate(ctx *cli.Context) error {
 	m := &migrations.Migratory{
 		Client:     gitea.NewClient(ctx.String("url"), ctx.String("token")),
 		Private:    ctx.Bool("private"),
-		NewOwnerID: ctx.Int("owner"),
+		NewOwnerID: ctx.Int64("owner"),
+	}
+	if m.NewOwnerID == 0 {
+		usr, err := m.Client.GetMyUserInfo()
+		if err != nil {
+			return fmt.Errorf("cannot fetch user info about current user: %v", err)
+		}
+		m.NewOwnerID = usr.ID
 	}
 	c := context.Background()
 	var gc *github.Client
diff --git a/migrations/migratory.go b/migrations/migratory.go
index 77d9cfd..69a6921 100644
--- a/migrations/migratory.go
+++ b/migrations/migratory.go
@@ -9,7 +9,7 @@ type Migratory struct {
 	AuthPassword string
 
 	Private    bool
-	NewOwnerID int
+	NewOwnerID int64
 
 	repository *gitea.Repository
 	// key: github milestone id | value: gitea milestone id
diff --git a/migrations/repo.go b/migrations/repo.go
index 9495aef..a98b553 100644
--- a/migrations/repo.go
+++ b/migrations/repo.go
@@ -14,7 +14,7 @@ func (m *Migratory) Repository(gr *github.Repository) (*gitea.Repository, error)
 		AuthUsername: m.AuthUsername,
 		CloneAddr:    gr.GetCloneURL(),
 		RepoName:     gr.GetName(),
-		UID:          m.NewOwnerID,
+		UID:          int(m.NewOwnerID),
 		Private:      m.Private,
 	})
 	return m.repository, err