diff --git a/pyproject.toml b/pyproject.toml
index edc317d35f8f7a1dbcdf3ed98588cbd1da6d7f4c..12ddbfc059ab421ef58472151d171621f7730165 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -7,7 +7,7 @@ name = "mpsd_software_manager"
 authors = [{name = "SSU-Computational Science (Fangohr et al)", email = "ssu-cs@mpsd.mpg.de"}]
 license = {file = "LICENSE"}
 classifiers = ["License :: OSI Approved :: MIT License"]
-version = "2023.8.29"
+version = "2023.9.21"
 readme = "README.rst"
 requires-python = ">=3.9"
 dependencies = [