diff --git a/setup.cfg b/setup.cfg
index f5a546d..4d9b3bb 100644
--- a/setup.cfg
+++ b/setup.cfg
@@ -1,6 +1,6 @@
 [metadata]
 name = pose2sim
-version = 0.4.8
+version = 0.4.9
 author = David Pagnon
 author_email = contact@david-pagnon.com
 description = Perform a markerless kinematic analysis from multiple calibrated views as a unified workflow from an OpenPose input to an OpenSim result.
@@ -29,7 +29,7 @@ project_urls =
     
 [options]
 zip_safe = False
-python_requires = >=3.6
+python_requires = >=3.8
 install_requires = 
     toml
     numpy
@@ -49,4 +49,4 @@ install_requires =
 packages = find_namespace:
 
 [options.package_data]
-* = Demo/**, Empty_project/**, Empty_project/.*
+* = Empty_project/**, Empty_project/**/.*, Empty_project/**/**/.*, Empty_project/**/**/**/.*, Empty_project/**/**/**/**/.*