diff --git a/kennard_stone/__init__.py b/kennard_stone/__init__.py
index 4ee15a4..c5bdb97 100644
--- a/kennard_stone/__init__.py
+++ b/kennard_stone/__init__.py
@@ -1,6 +1,6 @@
 from .kennard_stone import KFold, train_test_split
 
-__version__ = "2.0.0dev0"
+__version__ = "2.0.0"
 __license__ = "MIT"
 __author__ = "yu9824"
 __copyright__ = "Copyright © 2021 yu9824"