diff --git a/models/board.py b/models/board.py
index 80a052d..109708d 100644
--- a/models/board.py
+++ b/models/board.py
@@ -13,10 +13,10 @@ if TYPE_CHECKING:
 class Board(BaseModel, IdMixin, SoftDeleteMixin, CreatedAtMixin):
     __tablename__ = "boards"
 
-    name: Mapped[str] = mapped_column(nullable=False)
-    lexorank: Mapped[str] = mapped_column(nullable=False)
+    name: Mapped[str] = mapped_column()
+    lexorank: Mapped[str] = mapped_column()
 
-    project_id: Mapped[int] = mapped_column(ForeignKey("projects.id"), nullable=False)
+    project_id: Mapped[int] = mapped_column(ForeignKey("projects.id"))
     project: Mapped["Project"] = relationship(back_populates="boards")
 
     statuses: Mapped[list["Status"]] = relationship(back_populates="board")