diff --git a/migrations/versions/2025-10-02_7fe1319250c5_auth_add_refresh_token_expires_at.py b/migrations/versions/2025-10-02_7fe1319250c5_auth_add_refresh_token_expires_at.py
index 0304981..836e01f 100644
--- a/migrations/versions/2025-10-02_7fe1319250c5_auth_add_refresh_token_expires_at.py
+++ b/migrations/versions/2025-10-02_7fe1319250c5_auth_add_refresh_token_expires_at.py
@@ -7,6 +7,7 @@ Create Date: 2025-10-02 10:50:21.169065
 """
 
 from collections.abc import Sequence
+from datetime import datetime, timedelta
 
 from alembic import op
 import sqlalchemy as sa
@@ -23,6 +24,9 @@ def upgrade() -> None:
     # ### commands auto generated by Alembic - please adjust! ###
     op.add_column("oauth_tokens", sa.Column("refresh_token_expires_at", sa.DateTime(), nullable=True))
     op.create_index(op.f("ix_oauth_tokens_expires_at"), "oauth_tokens", ["expires_at"], unique=False)
+    expires_at = datetime.now() + timedelta(days=15)
+    expires_at_str = expires_at.strftime('%Y-%m-%d %H:%M:%S')
+    op.execute(f"UPDATE oauth_tokens SET refresh_token_expires_at = '{expires_at_str}'")
     op.create_index(
         op.f("ix_oauth_tokens_refresh_token_expires_at"), "oauth_tokens", ["refresh_token_expires_at"], unique=False
     )