diff --git a/go.mod b/go.mod
index 47a1fac..001f064 100644
--- a/go.mod
+++ b/go.mod
@@ -3,7 +3,7 @@ module github.com/bytedance/sonic
 go 1.15
 
 require (
-	github.com/chenzhuoyu/base64x v0.0.0-20210823060942-dfd952a155c6
+	github.com/chenzhuoyu/base64x v0.0.0-20210823061504-5637f8385dfd
 	github.com/davecgh/go-spew v1.1.1
 	github.com/goccy/go-json v0.7.2
 	github.com/json-iterator/go v1.1.10
diff --git a/go.sum b/go.sum
index 47717bb..d64e8e8 100644
--- a/go.sum
+++ b/go.sum
@@ -1,5 +1,5 @@
-github.com/chenzhuoyu/base64x v0.0.0-20210823060942-dfd952a155c6 h1:sB+841K/1P6YcZTZQQBnj8B3b/gD1Km3ur/gtcpgA1o=
-github.com/chenzhuoyu/base64x v0.0.0-20210823060942-dfd952a155c6/go.mod h1:Yj9Cv70aYHquW+Amrru9SJztDiIfOR4cn8bE7Vb5Gl0=
+github.com/chenzhuoyu/base64x v0.0.0-20210823061504-5637f8385dfd h1:buYObuVp1rYcsL1N7xSL9vzKrjqth+S78o65r6+D8bk=
+github.com/chenzhuoyu/base64x v0.0.0-20210823061504-5637f8385dfd/go.mod h1:DH46F32mSOjUmXrMHnKwZdA8wcEefY7UVqBKYGjpdQY=
 github.com/davecgh/go-spew v1.1.0/go.mod h1:J7Y8YcW2NihsgmVo/mv3lAwl/skON4iLHjSsI+c5H38=
 github.com/davecgh/go-spew v1.1.1 h1:vj9j/u1bqnvCEfJOwUhtlOARqs3+rkHYY13jYWTU97c=
 github.com/davecgh/go-spew v1.1.1/go.mod h1:J7Y8YcW2NihsgmVo/mv3lAwl/skON4iLHjSsI+c5H38=