Index: pyproject.toml
--- pyproject.toml.orig
+++ pyproject.toml
@@ -1,6 +1,6 @@
 [tool.poetry]
 name = "reactivex"
-version = "0.0.0" # NOTE: will be updated by publish script
+version = "4.0.4"
 description = "ReactiveX (Rx) for Python"
 readme = "README.rst"
 authors = ["Dag Brattli <dag@brattli.net>"]