diff --git a/alembic/versions/aa4689f80796_increase_refresh_token_length.py b/alembic/versions/aa4689f80796_increase_refresh_token_length.py
new file mode 100644
index 0000000..bc928a2
--- /dev/null
+++ b/alembic/versions/aa4689f80796_increase_refresh_token_length.py
@@ -0,0 +1,45 @@
+"""increase_refresh_token_length
+
+Revision ID: aa4689f80796
+Revises: 21a19f0675f9
+Create Date: 2025-07-06 10:54:19.714809
+
+"""
+
+from typing import Sequence, Union
+
+from alembic import op
+import sqlalchemy as sa
+
+
+# revision identifiers, used by Alembic.
+revision: str = "aa4689f80796"
+down_revision: Union[str, None] = "21a19f0675f9"
+branch_labels: Union[str, Sequence[str], None] = None
+depends_on: Union[str, Sequence[str], None] = None
+
+
+def upgrade() -> None:
+    """Upgrade schema."""
+    # ### commands auto generated by Alembic - please adjust! ###
+    op.alter_column(
+        "oauth_account",
+        "refresh_token",
+        existing_type=sa.VARCHAR(length=1024),
+        type_=sa.String(length=4096),
+        existing_nullable=True,
+    )
+    # ### end Alembic commands ###
+
+
+def downgrade() -> None:
+    """Downgrade schema."""
+    # ### commands auto generated by Alembic - please adjust! ###
+    op.alter_column(
+        "oauth_account",
+        "refresh_token",
+        existing_type=sa.String(length=4096),
+        type_=sa.VARCHAR(length=1024),
+        existing_nullable=True,
+    )
+    # ### end Alembic commands ###
diff --git a/media_manager/auth/db.py b/media_manager/auth/db.py
index f6a4e8e..f7b7d00 100644
--- a/media_manager/auth/db.py
+++ b/media_manager/auth/db.py
@@ -1,4 +1,5 @@
 from collections.abc import AsyncGenerator
+from typing import Optional
 
 from fastapi import Depends
 from fastapi_users.db import (
@@ -16,6 +17,9 @@ from media_manager.database import db_url
 
 class OAuthAccount(SQLAlchemyBaseOAuthAccountTableUUID, Base):
     access_token: Mapped[str] = mapped_column(String(length=4096), nullable=False)
+    refresh_token: Mapped[Optional[str]] = mapped_column(
+        String(length=4096), nullable=True
+    )
     pass