diff --git a/Cargo.toml b/Cargo.toml
index e7ffc9b..8a79042 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -1,6 +1,6 @@
 [package]
 name = "lightgbm"
-version = "0.2.1"
+version = "0.2.2"
 authors = ["vaaaaanquish <6syun9@gmail.com>"]
 license = "MIT"
 repository = "https://github.com/vaaaaanquish/LightGBM"