diff --git a/docs/changelog.rst b/docs/changelog.rst
index 2710705..ef9afe8 100644
--- a/docs/changelog.rst
+++ b/docs/changelog.rst
@@ -1,6 +1,10 @@
 Changelog
 *********
 
+Version 0.4
+-----------
+Nothing in yet.
+
 Version 0.3
 -----------
 This version works with RocksDB version v3.11.
diff --git a/docs/conf.py b/docs/conf.py
index 767d291..407b1be 100644
--- a/docs/conf.py
+++ b/docs/conf.py
@@ -55,9 +55,9 @@ copyright = u'2014, sh'
 # built documents.
 #
 # The short X.Y version.
-version = '0.3'
+version = '0.4'
 # The full version, including alpha/beta/rc tags.
-release = '0.3'
+release = '0.4'
 
 # The language for content autogenerated by Sphinx. Refer to documentation
 # for a list of supported languages.
diff --git a/setup.py b/setup.py
index be20354..88c0592 100644
--- a/setup.py
+++ b/setup.py
@@ -28,7 +28,7 @@ mod1 = Extension(
 
 setup(
     name="pyrocksdb",
-    version='0.3',
+    version='0.4',
     description="Python bindings for RocksDB",
     keywords='rocksdb',
     author='Stephan Hofmockel',