diff --git a/pyproject.toml b/pyproject.toml
index 38f4c6f..313fafc 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -1,6 +1,6 @@
 [tool.poetry]
 name = "tsflex"
-version = "0.4.0"  # Do not forget to update the __init__.py __version__ variable
+version = "0.4.1"  # Do not forget to update the __init__.py __version__ variable
 description = "Toolkit for flexible processing & feature extraction on time-series data"
 authors = ["Jonas Van Der Donckt, Jeroen Van Der Donckt, Emiel Deprost"]
 readme = "README.md"
diff --git a/tsflex/__init__.py b/tsflex/__init__.py
index 88d73e4..0a2a721 100644
--- a/tsflex/__init__.py
+++ b/tsflex/__init__.py
@@ -9,7 +9,7 @@
 
 __docformat__ = "numpy"
 __author__ = "Jonas Van Der Donckt, Jeroen Van Der Donckt, Emiel Deprost"
-__version__ = "0.4.0"
+__version__ = "0.4.1"
 __pdoc__ = {
     # do not show tue utils module
     "tsflex.utils": False,