diff --git a/pyproject.toml b/pyproject.toml
index b7a649c..441fe34 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -1,6 +1,6 @@
 [tool.poetry]
 name = "mlconfound"
-version = "0.21.2"
+version = "0.21.3"
 description = "Tools for analyzing and quantifying effects of counfounder variables on machine learning model predictions."
 authors = ["Tamas Spisak <tamas.spisak@uni-due.de>"]
 license = "GPL-3.0-or-later"