diff --git a/backend/app/schemas/case.py b/backend/app/schemas/case.py
index 8cec581..b459c3f 100644
--- a/backend/app/schemas/case.py
+++ b/backend/app/schemas/case.py
@@ -81,6 +81,7 @@ class CaseUpdate(BaseModel):
     nachname: Optional[str] = None
     geburtsdatum: Optional[date] = None
     kvnr: Optional[str] = None
+    versicherung: Optional[str] = None
     strasse: Optional[str] = None
     plz: Optional[str] = None
     ort: Optional[str] = None