diff --git a/app/database/models.py b/app/database/models.py
index 340d496..b9e2814 100644
--- a/app/database/models.py
+++ b/app/database/models.py
@@ -1,4 +1,4 @@
-from sqlalchemy import Column, Integer, String, Date, ForeignKey, func, Null
+from sqlalchemy import Column, Integer, String, Date, ForeignKey, func, Null,BIGINT
 from sqlalchemy.dialects.postgresql import ENUM
 from sqlalchemy.orm import relationship, DeclarativeBase
 
@@ -22,7 +22,7 @@ class Worker(Base):
     __tablename__ = "workers"
 
     id = Column(Integer, primary_key=True, autoincrement=True)
-    telegram_id = Column(Integer, unique=True, nullable=False)
+    telegram_id = Column(BIGINT, unique=True, nullable=False)
     name = Column(String, nullable=False)
     email = Column(String, nullable=True)
     phone_number = Column(String, nullable=False)
@@ -47,7 +47,7 @@ class Order(Base):
 
     id = Column(Integer, primary_key=True, autoincrement=True)
     name = Column(String)
-    worker_id = Column(Integer, ForeignKey('workers.telegram_id'), nullable=False)
+    worker_id = Column(BIGINT, ForeignKey('workers.telegram_id'), nullable=False)
     status_id = Column(status_enum)
     counterparty = Column(String)
     customer = Column(String, nullable=False)