diff --git a/src/bcf/pyproject.toml b/src/bcf/pyproject.toml
index 2b3d0fca10..958bd8abe1 100644
--- a/src/bcf/pyproject.toml
+++ b/src/bcf/pyproject.toml
@@ -10,7 +10,7 @@ name = "bcf-client"
 # author = "IfcOpenShell"
 description = "BCF-XML file handler."
 readme = "README.md"
-requires-python = ">=3.8"
+requires-python = ">=3.10"
 keywords = ["IFC", "BCF", "BIM"]
 dependencies = [
     "xsdata>=24.4",