diff --git a/pyproject.toml b/pyproject.toml
index 48797eb..17d7ae8 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -1,6 +1,6 @@
 [project]
 name = "tum_esm_utils"
-version = "2.2.0"
+version = "2.2.1"
 description = "Python utilities by the Professorship of Environmental Sensing and Modeling at the Technical University of Munich"
 authors = [{ name = "Moritz Makowski", email = "moritz.makowski@tum.de" }]
 dependencies = [