diff --git a/pyproject.toml b/pyproject.toml
index a3bad10f..f6d1c23f 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -1,6 +1,6 @@
 [project]
 name = "cityseer"
-version = '4.0.0b12'
+version = '4.0.0'
 description = "Computational tools for network-based pedestrian-scale urban analysis"
 readme = "README.md"
 requires-python = ">=3.10, <3.12"