diff --git a/src/suou/__init__.py b/src/suou/__init__.py
index 97743c8..39a7b30 100644
--- a/src/suou/__init__.py
+++ b/src/suou/__init__.py
@@ -27,7 +27,7 @@ from .itertools import makelist, kwargs_prefix, ltuple, rtuple, additem
 from .i18n import I18n, JsonI18n, TomlI18n
 from .snowflake import Snowflake, SnowflakeGen
 
-__version__ = "0.3.3"
+__version__ = "0.3.4-dev24"
 
 __all__ = (
     'Siq', 'SiqCache', 'SiqType', 'SiqGen', 'StringCase',
diff --git a/src/suou/flask_sqlalchemy.py b/src/suou/flask_sqlalchemy.py
index 8ef0d12..6af4cec 100644
--- a/src/suou/flask_sqlalchemy.py
+++ b/src/suou/flask_sqlalchemy.py
@@ -22,7 +22,7 @@ from flask_sqlalchemy import SQLAlchemy
 from sqlalchemy.orm import DeclarativeBase, Session
 
 from .codecs import want_bytes
-from .sqlalchemy import require_auth_base
+from .sqlalchemy import AuthSrc, require_auth_base
 
 class FlaskAuthSrc(AuthSrc):
     '''