diff --git a/CHANGELOG.md b/CHANGELOG.md
index 568626f0..c6941527 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -1,3 +1,8 @@
+0.6.3
+=====
+- Remove `expected_return_code`
+- Fail a hook if it makes modifications to the working directory
+
 0.6.2
 =====
 - Use --no-ri --no-rdoc instead of --no-document for gem to fix old gem
diff --git a/setup.py b/setup.py
index af96d9cf..92c99061 100644
--- a/setup.py
+++ b/setup.py
@@ -9,7 +9,7 @@ setup(
         'hooks.'
     ),
     url='https://github.com/pre-commit/pre-commit',
-    version='0.6.2',
+    version='0.6.3',
 
     author='Anthony Sottile',
     author_email='asottile@umich.edu',