diff --git a/src/nlpsig/__init__.py b/src/nlpsig/__init__.py
index e38632b..475fd98 100644
--- a/src/nlpsig/__init__.py
+++ b/src/nlpsig/__init__.py
@@ -1,6 +1,6 @@
 from __future__ import annotations
 
-__version__ = "0.2.1"
+__version__ = "0.2.2"
 
 import warnings