diff --git a/services/api-server/src/simcore_service_api_server/models/schemas/studies.py b/services/api-server/src/simcore_service_api_server/models/schemas/studies.py
index fc91c2fb86c..e2aa503a628 100644
--- a/services/api-server/src/simcore_service_api_server/models/schemas/studies.py
+++ b/services/api-server/src/simcore_service_api_server/models/schemas/studies.py
@@ -13,8 +13,8 @@
 
 class Study(BaseModel):
     uid: StudyID
-    title: str = None  # TODO: should be nullable
-    description: str = None  # TODO: should be nullable
+    title: str | None = None
+    description: str | None = None
 
     @classmethod
     def compose_resource_name(cls, study_key) -> api_resources.RelativeResourceName: