diff --git a/src/backend/langflow/api/v1/flows.py b/src/backend/langflow/api/v1/flows.py
index 28c11dfb4..517ff33c1 100644
--- a/src/backend/langflow/api/v1/flows.py
+++ b/src/backend/langflow/api/v1/flows.py
@@ -5,13 +5,14 @@ from uuid import UUID
 import orjson
 from fastapi import APIRouter, Depends, File, HTTPException, UploadFile
 from fastapi.encoders import jsonable_encoder
+from sqlmodel import Session, select
+
 from langflow.api.utils import remove_api_keys, validate_is_component
 from langflow.api.v1.schemas import FlowListCreate, FlowListRead
 from langflow.services.auth.utils import get_current_active_user
 from langflow.services.database.models.flow import Flow, FlowCreate, FlowRead, FlowUpdate
 from langflow.services.database.models.user.model import User
 from langflow.services.deps import get_session, get_settings_service
-from sqlmodel import Session, select
 
 # build router
 router = APIRouter(prefix="/flows", tags=["Flows"])
@@ -122,7 +123,7 @@ def create_flows(
     db_flows = []
     for flow in flow_list.flows:
         flow.user_id = current_user.id
-        db_flow = Flow.from_orm(flow)
+        db_flow = Flow.model_validate(flow, from_attributes=True)
         session.add(db_flow)
         db_flows.append(db_flow)
     session.commit()
diff --git a/src/backend/langflow/api/v1/users.py b/src/backend/langflow/api/v1/users.py
index 9d4c3f32e..7a6d4b7c6 100644
--- a/src/backend/langflow/api/v1/users.py
+++ b/src/backend/langflow/api/v1/users.py
@@ -1,6 +1,11 @@
 from uuid import UUID
 
 from fastapi import APIRouter, Depends, HTTPException
+from sqlalchemy import func
+from sqlalchemy.exc import IntegrityError
+from sqlmodel import Session, select
+from sqlmodel.sql.expression import SelectOfScalar
+
 from langflow.api.v1.schemas import UsersResponse
 from langflow.services.auth.utils import (
     get_current_active_superuser,
@@ -11,10 +16,6 @@ from langflow.services.auth.utils import (
 from langflow.services.database.models.user import User, UserCreate, UserRead, UserUpdate
 from langflow.services.database.models.user.crud import get_user_by_id, update_user
 from langflow.services.deps import get_session, get_settings_service
-from sqlalchemy import func
-from sqlalchemy.exc import IntegrityError
-from sqlmodel import Session, select
-from sqlmodel.sql.expression import SelectOfScalar
 
 router = APIRouter(tags=["Users"], prefix="/users")
 
@@ -28,7 +29,7 @@ def add_user(
     """
     Add a new user to the database.
     """
-    new_user = User.from_orm(user)
+    new_user = User.model_validate(user, from_attributes=True)
     try:
         new_user.password = get_password_hash(user.password)
         new_user.is_active = settings_service.auth_settings.NEW_USER_IS_ACTIVE
diff --git a/src/backend/langflow/components/vectorstores/Chroma.py b/src/backend/langflow/components/vectorstores/Chroma.py
index bf1273c43..f546eb361 100644
--- a/src/backend/langflow/components/vectorstores/Chroma.py
+++ b/src/backend/langflow/components/vectorstores/Chroma.py
@@ -1,4 +1,4 @@
-from typing import Optional, Union
+from typing import List, Optional, Union
 
 import chromadb  # type: ignore
 from langchain.embeddings.base import Embeddings
@@ -56,7 +56,7 @@ class ChromaComponent(CustomComponent):
         embedding: Embeddings,
         chroma_server_ssl_enabled: bool,
         persist_directory: Optional[str] = None,
-        documents: Optional[Document] = None,
+        documents: Optional[List[Document]] = None,
         chroma_server_cors_allow_origins: Optional[str] = None,
         chroma_server_host: Optional[str] = None,
         chroma_server_port: Optional[int] = None,
diff --git a/src/backend/langflow/services/database/models/api_key/crud.py b/src/backend/langflow/services/database/models/api_key/crud.py
index e5c7d9ddd..33bdc7579 100644
--- a/src/backend/langflow/services/database/models/api_key/crud.py
+++ b/src/backend/langflow/services/database/models/api_key/crud.py
@@ -29,7 +29,7 @@ def create_api_key(session: Session, api_key_create: ApiKeyCreate, user_id: UUID
     session.add(api_key)
     session.commit()
     session.refresh(api_key)
-    unmasked = UnmaskedApiKeyRead.from_orm(api_key)
+    unmasked = UnmaskedApiKeyRead.model_validate(api_key, from_attributes=True)
     unmasked.api_key = generated_api_key
     return unmasked