diff --git a/sklearn_pmml_model/__init__.py b/sklearn_pmml_model/__init__.py
index 17501be..3711745 100644
--- a/sklearn_pmml_model/__init__.py
+++ b/sklearn_pmml_model/__init__.py
@@ -9,4 +9,4 @@
 
 # License: BSD 2-Clause
 
-__version__ = '0.0.21'
+__version__ = '0.0.22'