diff --git a/pyproject.toml b/pyproject.toml
index 7faa1302..90b96314 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -1,6 +1,6 @@
 [tool.poetry]
 name = "ampel-interface"
-version = "0.10.4a2"
+version = "0.10.4"
 description = "Base classes for the Ampel analysis platform"
 authors = ["Valery Brinnel"]
 maintainers = ["Jakob van Santen <jakob.van.santen@desy.de>"]