diff --git a/HISTORY.rst b/HISTORY.rst
index d272502..7eb23fb 100644
--- a/HISTORY.rst
+++ b/HISTORY.rst
@@ -6,6 +6,20 @@ Release History
 Unreleased
 ++++++++++
 
+**Features**
+
+**Bugfixes**
+
+**Improvements**
+
+**Documentation**
+
+**Build**
+
+
+0.4.0 (2016-07-26)
+++++++++++++++++++
+
 **Improvements**
 
 - New dependency on ``pexpect``. Used to create a pseudo-tty to execute the
diff --git a/marabunta/core.py b/marabunta/core.py
index e56fbcb..1cb3d06 100644
--- a/marabunta/core.py
+++ b/marabunta/core.py
@@ -21,7 +21,7 @@
 from .parser import YamlParser
 from .runner import Runner
 
-__version__ = "0.3.3"
+__version__ = "0.4.0"
 
 
 def migrate(config):