diff --git a/tox.ini b/tox.ini
index 2ac683e2..6dd5ada3 100644
--- a/tox.ini
+++ b/tox.ini
@@ -13,10 +13,9 @@ commands =
         nosetests {posargs}
 
 [testenv:py27]
-# TODO: this only adds the sa-utils restriction, per python2
 commands =
         pip install --upgrade pip
-        pip install --upgrade --upgrade-strategy eager Tailbone rattail[auth,bouncer,db] rattail-tempmon SQLAlchemy-Utils<0.36.7
+        pip install --upgrade --upgrade-strategy eager Tailbone rattail[auth,bouncer,db] rattail-tempmon SQLAlchemy-Utils<0.36.7 SQLAlchemy-Continuum<1.3.12
         nosetests {posargs}
 
 [testenv:coverage]