diff --git a/backend/api/v1/modules/a76/items/models.py b/backend/api/v1/modules/a76/items/models.py
index 7da837c3..8d4e1fee 100644
--- a/backend/api/v1/modules/a76/items/models.py
+++ b/backend/api/v1/modules/a76/items/models.py
@@ -176,7 +176,7 @@ class LineItem(Base, TenantScopedMixin, TimestampMixin):
     )  # NUMEROGUIA/NUMERODEGUIA
 
     # Dates
-    depreciation_date: Mapped[Optional[int]] = mapped_column(
+    depreciation_date: Mapped[Optional[datetime]] = mapped_column(
         Integer
     )  # FECHADEPRECIACION
 
diff --git a/backend/api/v1/modules/a76/items/schemas.py b/backend/api/v1/modules/a76/items/schemas.py
index 62072356..a752701e 100644
--- a/backend/api/v1/modules/a76/items/schemas.py
+++ b/backend/api/v1/modules/a76/items/schemas.py
@@ -203,7 +203,7 @@ class LineItemBase(BaseModel):
     guide_number: Optional[str] = Field(None, max_length=50, description="Guide number")
 
     # Dates
-    depreciation_date: Optional[int] = Field(None, description="Depreciation date")
+    depreciation_date: Optional[datetime] = Field(None, description="Depreciation date")
 
     # Administrative fields
     rectification: Optional[int] = Field(None, description="Rectification")
diff --git a/frontend/src/lib/api/dashboard/a76/items.ts b/frontend/src/lib/api/dashboard/a76/items.ts
index 1d986317..1c7f2a75 100644
--- a/frontend/src/lib/api/dashboard/a76/items.ts
+++ b/frontend/src/lib/api/dashboard/a76/items.ts
@@ -192,7 +192,7 @@ export interface Item {
     reference_number?: string;
     order?: string;
     guide_number?: string;
-    depreciation_date?: number;
+    depreciation_date?: string;
     rectification?: number;
     warehouse?: string;
     location?: string;