diff --git a/connector.py b/connector.py
index 5ae983d..deb733a 100644
--- a/connector.py
+++ b/connector.py
@@ -8,7 +8,6 @@
 from __future__ import unicode_literals
 import re
 import uuid
-import requests
 from infi.clickhouse_orm.models import ModelBase
 from infi.clickhouse_orm.database import Database
 from datetime import datetime
diff --git a/setup.py b/setup.py
index 9ccecf5..a4e5587 100644
--- a/setup.py
+++ b/setup.py
@@ -20,7 +20,8 @@
     download_url = 'https://github.com/cloudflare/sqlalchemy-clickhouse/releases/tag/v0.1.5',
     install_requires = [
         'sqlalchemy>=1.0.0',
-        'infi.clickhouse_orm>=1.2.0'
+        'infi.clickhouse_orm>=1.2.0',
+        'six>=1.16.0',
     ],
     packages=[
         'sqlalchemy_clickhouse',