diff --git a/pyproject.toml b/pyproject.toml
index 7f5577e..6386f42 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -1,6 +1,6 @@
 [project]
 name = "cuisto"
-version = "2025.01.12"
+version = "2025.1.12"
 authors = [{ name = "Guillaume Le Goc", email = "g.legoc@posteo.org" }]
 description = "Quantification of objects in histological slices"
 readme = "README.md"