diff --git a/deevirt_schema/libvirt/dom/config.py b/deevirt_schema/libvirt/dom/config.py
index 7a4d278..a441a7c 100644
--- a/deevirt_schema/libvirt/dom/config.py
+++ b/deevirt_schema/libvirt/dom/config.py
@@ -148,7 +148,7 @@ class VCPU(BaseXmlModel, search_mode='unordered'):
         auto = "auto"
 
     placement:placementEnum = attr(default=placementEnum.auto)
-    cpuset:str = attr(default=None)
+    cpuset:Optional[str] = attr(default=None)
     current:Optional[int] = attr(default=None)
     max:int = None
 
diff --git a/setup.py b/setup.py
index 2bf058c..14dc73d 100644
--- a/setup.py
+++ b/setup.py
@@ -2,7 +2,7 @@ from setuptools import find_packages, setup
 
 setup(
     name='deevirt_schema',
-    version='0.1.34',    
+    version='0.1.35',    
     description='Deevirt Schema',
     url='https://git.celeonet.fr/Deevirt/deevirt_schema.git',
     author='Celeonet',