diff --git a/api/main.py b/api/main.py
index 4262e04..0e449ee 100644
--- a/api/main.py
+++ b/api/main.py
@@ -75,11 +75,34 @@ def save_object(obj):
             return JSONResponse(content=content, status_code=400)
 
 
+def update_object(obj_id: int, obj):
+    with Session(engine) as session:
+        try:
+            object_db = session.get(type(obj), obj_id)
+            if not object_db:
+                content = jsonable_encoder({"message": "%s-ID not found" % type(obj).__qualname__})
+                return JSONResponse(content=content, status_code=404)
+            obj_data = obj.model_dump(exclude_unset=True)
+            object_db.sqlmodel_update(obj_data)
+            session.add(object_db)
+            session.commit()
+            session.refresh(object_db)
+            return object_db
+        except IntegrityError|DataError as e:
+            content = jsonable_encoder({"message": e})
+            return JSONResponse(content=content, status_code=400)
+
+
 @app.post("/cars/")
 def create_cars(car: Car):
     return save_object(car)
 
 
+@app.put("/cars/{obj_id}")
+def update_cars(obj_id, car: Car):
+    return update_object(obj_id, car)
+
+
 @app.get("/cars/")
 def read_cars():
     with Session(engine) as session:
@@ -92,6 +115,11 @@ def create_cars(fill_item: FuelItem):
     return save_object(fill_item)
 
 
+@app.put("/fill_items/{obj_id}")
+def update_cars(obj_id, fill_item: FuelItem):
+    return update_object(obj_id, fill_item)
+
+
 @app.get("/fill_items/")
 def read_cars():
     with Session(engine) as session: