diff --git a/TODO.md b/TODO.md
index bbfbc4c..b1d2058 100644
--- a/TODO.md
+++ b/TODO.md
@@ -1,3 +1,3 @@
-- ~~Re-impletemt Detector class [#16](https://github.com/PyYoshi/cChardet/pull/16)~~ efd0e3f44422da70d35a4922afe7272a66f21bda
+- Re-impletemt Detector class [#16](https://github.com/PyYoshi/cChardet/pull/16)
 - Implement cli tool (like chardet cli)
 - Improve docs
diff --git a/src/cchardet/version.py b/src/cchardet/version.py
index c56f62c..c76ca41 100644
--- a/src/cchardet/version.py
+++ b/src/cchardet/version.py
@@ -1 +1 @@
-__version__ = '2.0a3'
+__version__ = '2.0a2'