diff --git a/app/models/user.py b/app/models/user.py
index a2469c8..eab4d50 100644
--- a/app/models/user.py
+++ b/app/models/user.py
@@ -27,6 +27,12 @@ class User(Base, TenantMixin):
     name: Mapped[str] = mapped_column(String(200), nullable=False)
     password_hash: Mapped[str] = mapped_column(String(255), nullable=False)
     role: Mapped[str] = mapped_column(String(50), nullable=False, default="viewer")
+    role_id: Mapped[uuid.UUID | None] = mapped_column(
+        PGUUID(as_uuid=True),
+        ForeignKey("roles.id", ondelete="SET NULL"),
+        nullable=True,
+        index=True,
+    )
     is_active: Mapped[bool] = mapped_column(Boolean, default=True, nullable=False)
     preferences: Mapped[dict[str, Any]] = mapped_column(JSONB, default=dict, nullable=False)