diff --git a/Cargo.toml b/Cargo.toml
index a8cc7a3..91500a4 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -1,6 +1,6 @@
 [package]
 name = "charts-rs"
-version = "0.2.0"
+version = "0.2.1"
 authors = ["Tree Xie <tree.xie@outlook.com>"]
 edition = "2021"
 categories = ["multimedia::images"]