diff --git a/tests/factories/sequences.py b/tests/factories/sequences.py
new file mode 100644
index 00000000..0d4de041
--- /dev/null
+++ b/tests/factories/sequences.py
@@ -0,0 +1,6 @@
+import factory
+
+id_ = factory.Sequence(lambda n: n)
+first_name = factory.Sequence(lambda n: f"First name #{n}")
+last_name = factory.Sequence(lambda n: f"Last name #{n}")
+username = factory.Sequence(lambda n: f"Username #{n}")
diff --git a/tests/factories/user.py b/tests/factories/user.py
index e080f8bf..51227dd2 100644
--- a/tests/factories/user.py
+++ b/tests/factories/user.py
@@ -1,13 +1,13 @@
 import factory
 
 from aiogram.api.types import User
+from tests.factories import sequences
 
 
 class UserFactory(factory.Factory):
     class Meta:
         model = User
 
-    id = factory.Sequence(lambda n: n)
+    id = sequences.id_
     first_name = factory.Sequence(lambda n: f"First name #{n}")
-    last_name = factory.Sequence(lambda n: f"Last name #{n}")
     is_bot = False