diff --git a/repositories/board.py b/repositories/board.py
index be4263c..44f27e2 100644
--- a/repositories/board.py
+++ b/repositories/board.py
@@ -8,6 +8,7 @@ from repositories.mixins import (
     RepCreateMixin,
     GetByIdMixin,
     GetAllMixin,
+    RepUpdateMixin,
 )
 from schemas.board import UpdateBoardSchema, CreateBoardSchema
 
@@ -17,6 +18,7 @@ class BoardRepository(
     GetAllMixin[Board],
     RepDeleteMixin[Board],
     RepCreateMixin[Board, CreateBoardSchema],
+    RepUpdateMixin[Board, UpdateBoardSchema],
     GetByIdMixin[Board],
 ):
     entity_class = Board
@@ -29,10 +31,4 @@ class BoardRepository(
         return stmt.options(selectinload(Board.deals))
 
     async def update(self, board: Board, data: UpdateBoardSchema) -> Board:
-        board.lexorank = data.lexorank if data.lexorank else board.lexorank
-        board.name = data.name if data.name else board.name
-
-        self.session.add(board)
-        await self.session.commit()
-        await self.session.refresh(board)
-        return board
+        return await self._apply_update_data_to_model(board, data, True)
diff --git a/repositories/deal.py b/repositories/deal.py
index 75a72d5..8bab9bb 100644
--- a/repositories/deal.py
+++ b/repositories/deal.py
@@ -5,7 +5,12 @@ from sqlalchemy.orm import joinedload
 
 from models import Deal, CardStatusHistory, Board
 from repositories.base import BaseRepository
-from repositories.mixins import RepDeleteMixin, RepCreateMixin, GetByIdMixin
+from repositories.mixins import (
+    RepDeleteMixin,
+    RepCreateMixin,
+    GetByIdMixin,
+    RepUpdateMixin,
+)
 from schemas.base import SortDir
 from schemas.deal import UpdateDealSchema, CreateDealSchema
 from utils.sorting import apply_sorting
@@ -15,6 +20,7 @@ class DealRepository(
     BaseRepository,
     RepDeleteMixin[Deal],
     RepCreateMixin[Deal, CreateDealSchema],
+    RepUpdateMixin[Deal, UpdateDealSchema],
     GetByIdMixin[Deal],
 ):
     entity_class = Deal
@@ -65,9 +71,8 @@ class DealRepository(
         return stmt.options(joinedload(Deal.status), joinedload(Deal.board))
 
     async def update(self, deal: Deal, data: UpdateDealSchema) -> Deal:
-        deal.lexorank = data.lexorank if data.lexorank else deal.lexorank
-        deal.name = data.name if data.name else deal.name
-        deal.board_id = data.board_id if data.board_id else deal.board_id
+        fields = ["lexorank", "name", "board_id"]
+        deal = await self._apply_update_data_to_model(deal, data, False, fields)
 
         if data.status_id and deal.status_id != data.status_id:
             deal.status_history.append(
diff --git a/repositories/mixins.py b/repositories/mixins.py
index 36282c5..b06b708 100644
--- a/repositories/mixins.py
+++ b/repositories/mixins.py
@@ -5,6 +5,7 @@ from sqlalchemy.ext.asyncio import AsyncSession
 
 EntityType = TypeVar("EntityType")
 CreateType = TypeVar("CreateType")
+UpdateType = TypeVar("UpdateType")
 
 
 class RepBaseMixin(Generic[EntityType]):
@@ -38,6 +39,29 @@ class RepCreateMixin(RepBaseMixin[EntityType], Generic[EntityType, CreateType]):
         return obj.id
 
 
+class RepUpdateMixin(RepBaseMixin[EntityType], Generic[EntityType, UpdateType]):
+    async def _apply_update_data_to_model(
+        self,
+        model: EntityType,
+        data: UpdateType,
+        with_commit: Optional[bool] = False,
+        fields: Optional[list[str]] = None,
+    ) -> EntityType:
+        if fields is None:
+            fields = data.model_dump().keys()
+
+        for field in fields:
+            value = getattr(data, field)
+            if value is not None:
+                setattr(model, field, value)
+
+        if with_commit:
+            self.session.add(model)
+            await self.session.commit()
+            await self.session.refresh(model)
+        return model
+
+
 class GetByIdMixin(RepBaseMixin[EntityType]):
     entity_class: Type[EntityType]
 
diff --git a/repositories/project.py b/repositories/project.py
index 706e0a6..b5ab5e1 100644
--- a/repositories/project.py
+++ b/repositories/project.py
@@ -1,5 +1,3 @@
-from typing import overload
-
 from sqlalchemy import Select
 from sqlalchemy.orm import selectinload
 
@@ -10,6 +8,7 @@ from repositories.mixins import (
     RepCreateMixin,
     GetByIdMixin,
     GetAllMixin,
+    RepUpdateMixin,
 )
 from schemas.project import CreateProjectSchema, UpdateProjectSchema
 
@@ -19,6 +18,7 @@ class ProjectRepository(
     GetAllMixin[Project],
     RepDeleteMixin[Project],
     RepCreateMixin[Project, CreateProjectSchema],
+    RepUpdateMixin[Project, UpdateProjectSchema],
     GetByIdMixin[Project],
 ):
     entity_class = Project
@@ -30,9 +30,4 @@ class ProjectRepository(
         return stmt.options(selectinload(Project.boards))
 
     async def update(self, project: Project, data: UpdateProjectSchema) -> Project:
-        project.name = data.name if data.name else project.name
-
-        self.session.add(project)
-        await self.session.commit()
-        await self.session.refresh(project)
-        return project
+        return await self._apply_update_data_to_model(project, data, True)
diff --git a/repositories/status.py b/repositories/status.py
index 7d1f6f1..ab8d4d3 100644
--- a/repositories/status.py
+++ b/repositories/status.py
@@ -7,6 +7,7 @@ from repositories.mixins import (
     RepCreateMixin,
     GetByIdMixin,
     GetAllMixin,
+    RepUpdateMixin,
 )
 from schemas.status import UpdateStatusSchema, CreateStatusSchema
 
@@ -16,6 +17,7 @@ class StatusRepository(
     GetAllMixin[Status],
     RepDeleteMixin[Status],
     RepCreateMixin[Status, CreateStatusSchema],
+    RepUpdateMixin[Status, UpdateStatusSchema],
     GetByIdMixin[Status],
 ):
     entity_class = Status
@@ -39,10 +41,4 @@ class StatusRepository(
         return result.scalar()
 
     async def update(self, status: Status, data: UpdateStatusSchema) -> Status:
-        status.lexorank = data.lexorank if data.lexorank else status.lexorank
-        status.name = data.name if data.name else status.name
-
-        self.session.add(status)
-        await self.session.commit()
-        await self.session.refresh(status)
-        return status
+        return await self._apply_update_data_to_model(status, data, True)