diff --git a/VERSION b/VERSION
index 089434afe..9272ea720 100644
--- a/VERSION
+++ b/VERSION
@@ -1,2 +1,2 @@
-__version__ = "0.0.8dev"
+__version__ = "0.0.9"
 
diff --git a/oemof/__init__.py b/oemof/__init__.py
index 5b5ae0a42..7e11cec32 100644
--- a/oemof/__init__.py
+++ b/oemof/__init__.py
@@ -1,4 +1,4 @@
 from pkgutil import extend_path
 __path__ = extend_path(__path__, __name__)
 
-__version__ = '0.0.8dev'
+__version__ = '0.0.9'