diff --git a/go.mod b/go.mod
index aecda1cd..1df92979 100644
--- a/go.mod
+++ b/go.mod
@@ -3,7 +3,7 @@ module github.com/vesoft-inc/nebula-importer
 require (
 	github.com/kr/text v0.2.0 // indirect
 	github.com/stretchr/testify v1.7.0
-	github.com/vesoft-inc/nebula-go/v2 v2.6.0
+	github.com/vesoft-inc/nebula-go/v2 v2.5.2-0.20211210024917-9461e07cdca2
 	gopkg.in/check.v1 v1.0.0-20201130134442-10cb98267c6c // indirect
 	gopkg.in/yaml.v2 v2.2.4
 )
diff --git a/go.sum b/go.sum
index 7714a7b1..193be844 100644
--- a/go.sum
+++ b/go.sum
@@ -16,8 +16,8 @@ github.com/pmezard/go-difflib v1.0.0/go.mod h1:iKH77koFhYxTK1pcRnkKkqfTogsbg7gZN
 github.com/stretchr/objx v0.1.0/go.mod h1:HFkY916IF+rwdDfMAkV7OtwuqBVzrE8GR6GFx+wExME=
 github.com/stretchr/testify v1.7.0 h1:nwc3DEeHmmLAfoZucVR881uASk0Mfjw8xYJ99tb5CcY=
 github.com/stretchr/testify v1.7.0/go.mod h1:6Fq8oRcR53rry900zMqJjRRixrwX3KX962/h/Wwjteg=
-github.com/vesoft-inc/nebula-go/v2 v2.6.0 h1:yS5JH8eNjXtHSZXDRcNihdYaW9FyjOsrpG5iIMkIFBs=
-github.com/vesoft-inc/nebula-go/v2 v2.6.0/go.mod h1:fehDUs97/mpmxXi9WezhznX0Dg7hmQRUoOWgDZv9zG0=
+github.com/vesoft-inc/nebula-go/v2 v2.5.2-0.20211210024917-9461e07cdca2 h1:ivN82oSpM/kNCZVdzoCSj1IT4ZDW7Xi2juhAZvh7eF8=
+github.com/vesoft-inc/nebula-go/v2 v2.5.2-0.20211210024917-9461e07cdca2/go.mod h1:fehDUs97/mpmxXi9WezhznX0Dg7hmQRUoOWgDZv9zG0=
 gopkg.in/check.v1 v0.0.0-20161208181325-20d25e280405/go.mod h1:Co6ibVJAznAaIkqp8huTwlJQCZ016jof/cbN4VW5Yz0=
 gopkg.in/check.v1 v1.0.0-20180628173108-788fd7840127/go.mod h1:Co6ibVJAznAaIkqp8huTwlJQCZ016jof/cbN4VW5Yz0=
 gopkg.in/check.v1 v1.0.0-20201130134442-10cb98267c6c h1:Hei/4ADfdWqJk1ZMxUNpqntNwaWcugrBjAiHlqqRiVk=