diff --git a/migrations/versions/0fbda260a023_add_user_id.py b/migrations/versions/0fbda260a023_add_user_id.py
new file mode 100644
index 0000000..fda0582
--- /dev/null
+++ b/migrations/versions/0fbda260a023_add_user_id.py
@@ -0,0 +1,25 @@
+"""add user_id
+
+Revision ID: 0fbda260a023
+Revises: 5659e13277b6
+Create Date: 2024-11-08 12:49:18.796942
+
+"""
+
+import sqlalchemy as sa
+from alembic import op
+
+
+# revision identifiers, used by Alembic.
+revision = '0fbda260a023'
+down_revision = '5659e13277b6'
+branch_labels = None
+depends_on = None
+
+
+def upgrade():
+    op.add_column('comment', sa.Column('user_id', sa.Integer(), nullable=True))
+
+
+def downgrade():
+    op.drop_column('comment', 'user_id')
diff --git a/rating_api/models/base.py b/rating_api/models/base.py
index 678078a..8ffc3b1 100644
--- a/rating_api/models/base.py
+++ b/rating_api/models/base.py
@@ -2,9 +2,9 @@
 
 import re
 
-from sqlalchemy import Integer, not_
+from sqlalchemy import not_
 from sqlalchemy.exc import NoResultFound
-from sqlalchemy.orm import Mapped, Query, Session, as_declarative, declared_attr, mapped_column
+from sqlalchemy.orm import Query, Session, as_declarative, declared_attr
 
 from rating_api.exceptions import ObjectNotFound
 
diff --git a/rating_api/models/db.py b/rating_api/models/db.py
index 21ad8d5..773a3d0 100644
--- a/rating_api/models/db.py
+++ b/rating_api/models/db.py
@@ -5,7 +5,7 @@
 import uuid
 from enum import Enum
 
-from sqlalchemy import UUID, Boolean, DateTime
+from sqlalchemy import UUID, DateTime
 from sqlalchemy import Enum as DbEnum
 from sqlalchemy import ForeignKey, Integer, String
 from sqlalchemy.orm import Mapped, mapped_column, relationship
@@ -37,6 +37,7 @@ class Lecturer(BaseDbModel):
 
 class Comment(BaseDbModel):
     uuid: Mapped[uuid.UUID] = mapped_column(UUID, primary_key=True, default=uuid.uuid4)
+    user_id: Mapped[int] = mapped_column(Integer, nullable=True)
     create_ts: Mapped[datetime.datetime] = mapped_column(DateTime, default=datetime.datetime.utcnow, nullable=False)
     update_ts: Mapped[datetime.datetime] = mapped_column(DateTime, default=datetime.datetime.utcnow, nullable=False)
     subject: Mapped[str] = mapped_column(String, nullable=False)
diff --git a/rating_api/routes/comment.py b/rating_api/routes/comment.py
index 678a691..c0cbcf4 100644
--- a/rating_api/routes/comment.py
+++ b/rating_api/routes/comment.py
@@ -98,9 +98,9 @@ async def get_comments(
             raise ForbiddenAction(Comment)
     else:
         result.comments = [comment for comment in result.comments if comment.review_status is ReviewStatus.APPROVED]
-        
+
     result.comments = result.comments[offset : limit + offset]
-    
+
     if "create_ts" in order_by:
         result.comments.sort(key=lambda comment: comment.create_ts)
     result.total = len(result.comments)
diff --git a/rating_api/routes/lecturer.py b/rating_api/routes/lecturer.py
index eb3b770..26422d6 100644
--- a/rating_api/routes/lecturer.py
+++ b/rating_api/routes/lecturer.py
@@ -138,7 +138,9 @@ async def get_lecturers(
     if "general" in order_by:
         result.lecturers.sort(key=lambda item: (item.mark_general is None, item.mark_general))
     if subject:
-        result.lecturers = [lecturer for lecturer in result.lecturers if lecturer.subjects and subject in lecturer.subjects]
+        result.lecturers = [
+            lecturer for lecturer in result.lecturers if lecturer.subjects and subject in lecturer.subjects
+        ]
     result.total = len(result.lecturers)
     return result
 
diff --git a/rating_api/schemas/models.py b/rating_api/schemas/models.py
index 35d5ae2..8e7408b 100644
--- a/rating_api/schemas/models.py
+++ b/rating_api/schemas/models.py
@@ -6,6 +6,7 @@
 
 class CommentGet(Base):
     uuid: UUID
+    user_id: int
     create_ts: datetime.datetime
     update_ts: datetime.datetime
     subject: str