diff --git a/CHANGELOG.rst b/CHANGELOG.rst
index 91ce5a08..2c1618d8 100644
--- a/CHANGELOG.rst
+++ b/CHANGELOG.rst
@@ -1,8 +1,8 @@
 Changelog
 =========
 
-0.4dev
-------
+0.4 (2018-01-19)
+-----------------
 
 * Fixes bug in preprocessing (#38)
 * Increased template size
diff --git a/src/yass/__init__.py b/src/yass/__init__.py
index ae09f61a..7552c842 100644
--- a/src/yass/__init__.py
+++ b/src/yass/__init__.py
@@ -7,7 +7,7 @@
 
 logging.getLogger(__name__).addHandler(NullHandler())
 
-__version__ = '0.4dev'
+__version__ = '0.4'
 
 CONFIG = None