diff --git a/core/apps/finance/serializers/cash_transaction.py b/core/apps/finance/serializers/cash_transaction.py
index 09aa831..8d1abee 100644
--- a/core/apps/finance/serializers/cash_transaction.py
+++ b/core/apps/finance/serializers/cash_transaction.py
@@ -9,6 +9,14 @@ from core.apps.finance.serializers.payment_type import PaymentTypeSerializer
 from core.apps.projects.models import Project
 
 
+class ProjectSerializer(serializers.ModelSerializer):
+    class Meta:
+        model = Project
+        fields = [
+            'id', 'name', 'start_date', 'end_date', 'status'
+        ]
+
+
 class CashTransactionEmployeeListSerializer(serializers.ModelSerializer):
     class Meta:
         model = User 
@@ -20,23 +28,49 @@ class CashTransactionEmployeeListSerializer(serializers.ModelSerializer):
 class CashTransactionListSerializer(serializers.ModelSerializer):
     payment_type = PaymentTypeSerializer(many=True)
     employees = CashTransactionEmployeeListSerializer(many=True)
+    projects = ProjectSerializer(many=True)
 
     class Meta:
         model = CashTransaction
         fields = [
             'id', 'name', 'payment_type', 'employees', 'status', 'total_balance_usd',
             'income_balance_usd', 'expence_balance_usd', 'total_balance_uzs',
-            'income_balance_uzs', 'expence_balance_uzs'
+            'income_balance_uzs', 'expence_balance_uzs', 'projects'
         ]
 
 
 class CashTransactionUpdateSerializer(serializers.ModelSerializer):
+    project_ids = serializers.ListField(child=serializers.UUIDField(required=False), required=False)
+
     class Meta:
         model = CashTransaction
         fields = [
-            'name', 'payment_type', 'employees', 'status', 'folder',
+            'name', 'payment_type', 'employees', 'status', 'folder', 'project_ids'
         ]
 
+    def update(self, instance, validated_data):
+        instance.name = validated_data.get('name', instance.name)
+        instance.status = validated_data.get('status', instance.status)
+        instance.folder = validated_data.get('folder', instance.folder)
+
+        payment_types = validated_data.get('payment_type', None)
+        if payment_types is not None:
+            instance.payment_type.set(payment_types) 
+        
+        employees = validated_data.get('employees', None)
+        if employees is not None:
+            instance.employees.set(employees)
+        
+        project_ids = validated_data.pop('project_ids', [])
+        if project_ids:
+            projects = Project.objects.filter(id__in=project_ids)
+            instance.projects.clear()
+            instance.projects.add(*projects)        
+        
+        instance.save()
+        return instance
+        
+
 
 class CashTransactionCreateSerializer(serializers.Serializer):
     payment_type_ids = serializers.ListSerializer(child=serializers.UUIDField(), write_only=True)
diff --git a/core/apps/finance/views/cash_transaction.py b/core/apps/finance/views/cash_transaction.py
index bf86ea1..2100bbc 100644
--- a/core/apps/finance/views/cash_transaction.py
+++ b/core/apps/finance/views/cash_transaction.py
@@ -14,7 +14,7 @@ class CashTransactionListApiView(generics.ListAPIView):
     permission_classes = [HasRolePermission]
     required_permissions = []
     serializer_class = serializers.CashTransactionListSerializer
-    queryset = CashTransaction.objects.prefetch_related('employees', 'payment_type')
+    queryset = CashTransaction.objects.prefetch_related('employees', 'payment_type', 'projects')
     pagination_class = CustomPageNumberPagination
 
 
diff --git a/core/apps/wherehouse/serializers/wherehouse.py b/core/apps/wherehouse/serializers/wherehouse.py
index b62665b..d4a7d83 100644
--- a/core/apps/wherehouse/serializers/wherehouse.py
+++ b/core/apps/wherehouse/serializers/wherehouse.py
@@ -8,13 +8,23 @@ from core.apps.accounts.serializers.user import UserListSerializer
 from core.apps.projects.models.project import Project
 
 
+class ProjectSerializer(serializers.ModelSerializer):
+    class Meta:
+        model = Project
+        fields = [
+            'id', 'name', 'start_date', 'end_date', 'status'
+        ]
+        ref_name = 'WareHouseProjectSerializer'
+
+
 class WhereHouseListSerializer(serializers.ModelSerializer):
     users = UserListSerializer(many=True)
+    projects = ProjectSerializer(many=True)
     
     class Meta:
         model = WhereHouse
         fields = [
-            'id', 'name', 'address', 'users'
+            'id', 'name', 'address', 'users', 'projects'
         ]
 
 
@@ -54,10 +64,12 @@ class WhereHouseCreateSerializer(serializers.Serializer):
 
 
 class WhereHouseUpdateSerializer(serializers.ModelSerializer):
+    project_ids = serializers.ListField(child=serializers.UUIDField(required=False), required=False)
+
     class Meta:
         model = WhereHouse
         fields = [
-            'name', 'address', 'users'
+            'name', 'address', 'users', 'project_ids'
         ]
 
     def update(self, instance, validated_data):
@@ -68,5 +80,11 @@ class WhereHouseUpdateSerializer(serializers.ModelSerializer):
         if users is not None:
             instance.users.clear()
             instance.users.set(users)
+
+        project_ids = validated_data.pop('project_ids', [])
+        if project_ids:
+            projects = Project.objects.filter(id__in=project_ids)
+            instance.projects.set(projects)
+        
         instance.save()
         return instance
diff --git a/core/apps/wherehouse/views/wherehouse.py b/core/apps/wherehouse/views/wherehouse.py
index 59fc174..7671fa8 100644
--- a/core/apps/wherehouse/views/wherehouse.py
+++ b/core/apps/wherehouse/views/wherehouse.py
@@ -10,7 +10,7 @@ from core.apps.accounts.permissions.permissions import HasRolePermission
 
 class WhereHouseListApiView(generics.GenericAPIView):
     serializer_class = serializers.WhereHouseListSerializer
-    queryset = WhereHouse.objects.prefetch_related('users')
+    queryset = WhereHouse.objects.prefetch_related('users', 'projects')
     permission_classes = [HasRolePermission]
 
     def get(self, request):