diff --git a/atcoder/__init__.py b/atcoder/__init__.py
index b30ba70..74bbf84 100644
--- a/atcoder/__init__.py
+++ b/atcoder/__init__.py
@@ -1,3 +1,3 @@
 # Python port of AtCoder Library.
 
-__version__ = '0.0.1'
+__version__ = '0.1.0'