diff --git a/docs/source/conf.py b/docs/source/conf.py
index 88680b75..c5c4dacc 100644
--- a/docs/source/conf.py
+++ b/docs/source/conf.py
@@ -66,9 +66,9 @@
 # built documents.
 #
 # The short X.Y version.
-version = '2.2.0'
+version = '2.2.1'
 # The full version, including alpha/beta/rc tags.
-release = '2.2.0'
+release = '2.2.1'
 
 # 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 c2312b37..e981152f 100644
--- a/setup.py
+++ b/setup.py
@@ -7,7 +7,7 @@
 
 setuptools.setup(
     name='FINE',
-    version='2.2.0',
+    version='2.2.1',
     author='FINE Developer Team',
     author_email='t.gross@fz-juelich.de, lara.welder@rwth-aachen.de',
     description='Framework for integrated energy systems assessment',