diff --git a/src/app/alembic/versions/738a796c3f0b_.py b/src/app/alembic/versions/738a796c3f0b_.py
new file mode 100644
index 0000000..478df85
--- /dev/null
+++ b/src/app/alembic/versions/738a796c3f0b_.py
@@ -0,0 +1,30 @@
+"""empty message
+
+Revision ID: 738a796c3f0b
+Revises: 85ece6cfed22
+Create Date: 2021-12-13 01:34:21.957994
+
+"""
+from alembic import op
+import sqlalchemy as sa
+
+
+# revision identifiers, used by Alembic.
+revision = "738a796c3f0b"
+down_revision = "85ece6cfed22"
+branch_labels = None
+depends_on = None
+
+
+def upgrade():
+    # ### commands auto generated by Alembic - please adjust! ###
+    op.add_column(
+        "services", sa.Column("username", sa.String(length=64), nullable=True)
+    )
+    # ### end Alembic commands ###
+
+
+def downgrade():
+    # ### commands auto generated by Alembic - please adjust! ###
+    op.drop_column("services", "username")
+    # ### end Alembic commands ###
diff --git a/src/app/models.py b/src/app/models.py
index 26a9704..1a24c91 100644
--- a/src/app/models.py
+++ b/src/app/models.py
@@ -29,6 +29,7 @@ class Service(ormar.Model):
 
     id: int = ormar.Integer(primary_key=True)  # type: ignore
     token: str = ormar.String(max_length=128, unique=True)  # type: ignore
+    username: str = ormar.String(max_length=64, default="")  # type: ignore
     user: int = ormar.BigInteger()  # type: ignore
     status: str = ormar.String(
         max_length=12, choices=list(Statuses), default=Statuses.pending
diff --git a/src/app/serializers.py b/src/app/serializers.py
index fcc9adf..18fb63b 100644
--- a/src/app/serializers.py
+++ b/src/app/serializers.py
@@ -1,4 +1,5 @@
 from datetime import datetime
+from typing import Optional
 
 from pydantic import BaseModel, constr
 
@@ -7,7 +8,8 @@ from app.models import Statuses, CachePrivileges
 
 class ServiceCreate(BaseModel):
     token: constr(max_length=128)  # type: ignore
-    user: str
+    user: Optional[str] = None
+    username: constr(max_length=64)  # type: ignore
     status: Statuses
     cache: CachePrivileges
 
@@ -15,6 +17,7 @@ class ServiceCreate(BaseModel):
 class ServiceDetail(BaseModel):
     id: int
     token: str
+    username: Optional[str]
     user: str
     status: str
     cache: str