diff --git a/migrations/versions/1555220764ee_.py b/migrations/versions/1555220764ee_.py
index 78fac6e1..48150375 100644
--- a/migrations/versions/1555220764ee_.py
+++ b/migrations/versions/1555220764ee_.py
@@ -10,7 +10,6 @@
 from alembic import op
 import sqlalchemy as sa
 
-from utils.utils import get_bot_photo_id
 
 # revision identifiers, used by Alembic.
 revision: str = '1555220764ee'
@@ -21,6 +20,7 @@
 
 def upgrade() -> None:
     # ### commands auto generated by Alembic - please adjust! ###
+    from utils.utils import get_bot_photo_id
     op.execute("PRAGMA foreign_keys=0;")
     bot_photo_id = f"0{get_bot_photo_id()}"
     op.add_column('categories', sa.Column('media_id', sa.String(), nullable=True))
diff --git a/migrations/versions/91c3856a8aa0_.py b/migrations/versions/91c3856a8aa0_.py
new file mode 100644
index 00000000..7d186b2c
--- /dev/null
+++ b/migrations/versions/91c3856a8aa0_.py
@@ -0,0 +1,33 @@
+"""empty message
+
+Revision ID: 91c3856a8aa0
+Revises: 43803f266c4a
+Create Date: 2026-02-04 16:22:11.047432
+
+"""
+from typing import Sequence, Union
+
+from alembic import op
+import sqlalchemy as sa
+
+
+# revision identifiers, used by Alembic.
+revision: str = '91c3856a8aa0'
+down_revision: Union[str, None] = '43803f266c4a'
+branch_labels: Union[str, Sequence[str], None] = None
+depends_on: Union[str, Sequence[str], None] = None
+
+
+def upgrade() -> None:
+    op.alter_column(
+        "deposits",
+        "amount",
+        existing_type=sa.BigInteger(),
+        type_=sa.Numeric(precision=78, scale=0),
+        postgresql_using="amount::numeric",
+        existing_nullable=False,
+    )
+
+
+def downgrade() -> None:
+    pass
diff --git a/migrations/versions/d14008036574_.py b/migrations/versions/d14008036574_.py
index 44c6c974..7e97380a 100644
--- a/migrations/versions/d14008036574_.py
+++ b/migrations/versions/d14008036574_.py
@@ -11,8 +11,6 @@
 import sqlalchemy as sa
 from sqlalchemy import table, column
 
-from enums.buy_status import BuyStatus
-from enums.item_type import ItemType
 
 # revision identifiers, used by Alembic.
 revision: str = 'd14008036574'
@@ -22,6 +20,8 @@
 
 
 def upgrade() -> None:
+    from enums.buy_status import BuyStatus
+    from enums.item_type import ItemType
     op.execute("PRAGMA foreign_keys=0;")
 
     item_type_enum = sa.Enum(ItemType)
diff --git a/models/deposit.py b/models/deposit.py
index ddc17108..acfbcb51 100644
--- a/models/deposit.py
+++ b/models/deposit.py
@@ -2,7 +2,7 @@
 
 from pydantic import BaseModel
 from sqladmin import ModelView
-from sqlalchemy import Integer, Column, ForeignKey, BigInteger, DateTime, func, CheckConstraint, Enum, Float
+from sqlalchemy import Integer, Column, ForeignKey, DateTime, func, CheckConstraint, Enum, Float, Numeric
 from sqlalchemy.orm import relationship
 
 import config
@@ -19,7 +19,7 @@ class Deposit(Base):
     user_id = Column(Integer, ForeignKey('users.id'), nullable=False)
     user = relationship("User", back_populates="deposits")
     network = Column(Enum(Cryptocurrency), nullable=False)
-    amount = Column(BigInteger, nullable=False)
+    amount = Column(Numeric(precision=78, scale=0), nullable=False)
     deposit_datetime = Column(DateTime(timezone=True), default=func.now())
     fiat_amount = Column(Float, nullable=False)