diff --git a/identity_socializer/db/models/relationship_model.py b/identity_socializer/db/models/relationship_model.py
index d732c2e..39f2015 100644
--- a/identity_socializer/db/models/relationship_model.py
+++ b/identity_socializer/db/models/relationship_model.py
@@ -24,7 +24,7 @@ class RelationshipModel(Base):
     following_id: Mapped[str] = mapped_column(String(length), ForeignKey("users.id"))
     created_at: Mapped[DateTime] = mapped_column(
         DateTime,
-        default=datetime.datetime.utcnow(),
+        default=datetime.datetime.utcnow,
     )
 
     follower = relationship("UserModel", foreign_keys=[follower_id])
diff --git a/identity_socializer/db/models/user_model.py b/identity_socializer/db/models/user_model.py
index b480ee9..0b8bb8b 100644
--- a/identity_socializer/db/models/user_model.py
+++ b/identity_socializer/db/models/user_model.py
@@ -24,6 +24,6 @@ class UserModel(Base):
     blocked: Mapped[bool] = mapped_column(Boolean, nullable=False, default=False)
     created_at: Mapped[DateTime] = mapped_column(
         DateTime,
-        default=datetime.datetime.utcnow(),
+        default=datetime.datetime.utcnow,
         nullable=False,
     )