diff --git a/Cargo.toml b/Cargo.toml
index e422ab2..2e9aebf 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -1,6 +1,6 @@
 [package]
 name = "niu"
-version = "0.4.0"
+version = "0.4.1"
 authors = ["niuez <niuez.graph@gmail.com>"]
 edition = "2018"