diff --git a/tests/db/__init__.py b/tests/db/__init__.py
index b3ee7ead891c22515f37462840e2a9e0fa9b19cd..2382659ee0bdfa8fcb48542868ebdb04f16a7ea7 100644
--- a/tests/db/__init__.py
+++ b/tests/db/__init__.py
@@ -2,8 +2,8 @@
 import unittest
 
 from sqlalchemy import create_engine
+from sqlalchemy.orm import sessionmaker
 
-from rattail.db import Session
 from rattail.db.model import Base
 
 
@@ -15,7 +15,8 @@ class DataTestCase(unittest.TestCase):
     def setUp(self):
         engine = create_engine('sqlite://')
         Base.metadata.create_all(bind=engine)
-        self.session = Session(bind=engine)
+        self.Session = sessionmaker(bind=engine)
+        self.session = self.Session()
 
     def tearDown(self):
         self.session.close()