diff --git a/pypots/__init__.py b/pypots/__init__.py
index 566339bd..1bb2b9d8 100644
--- a/pypots/__init__.py
+++ b/pypots/__init__.py
@@ -22,7 +22,7 @@
 #
 # Dev branch marker is: 'X.Y.dev' or 'X.Y.devN' where N is an integer.
 # 'X.Y.dev0' is the canonical version of 'X.Y.dev'
-__version__ = "0.4"
+__version__ = "0.4.1"
 
 
 from . import imputation, classification, clustering, forecasting, optim, data, utils