diff --git a/ecml_tools/__init__.py b/ecml_tools/__init__.py
index 9c1d4c3..b136b9f 100644
--- a/ecml_tools/__init__.py
+++ b/ecml_tools/__init__.py
@@ -5,4 +5,4 @@
 # granted to it by virtue of its status as an intergovernmental organisation
 # nor does it submit to any jurisdiction.
 
-__version__ = "0.4.1"
+__version__ = "0.4.2"