diff --git a/pydda/__init__.py b/pydda/__init__.py
index 283d7f3..a7798e8 100644
--- a/pydda/__init__.py
+++ b/pydda/__init__.py
@@ -12,7 +12,7 @@
 from . import constraints
 from . import io
 
-__version__ = "2.1.1"
+__version__ = "2.2"
 
 print("Welcome to PyDDA %s" % __version__)
 print("If you are using PyDDA in your publications, please cite:")