diff --git a/tox.ini b/tox.ini
index 5efa949..b701f97 100644
--- a/tox.ini
+++ b/tox.ini
@@ -11,7 +11,7 @@ requires = virtualenv<20.22.0
 commands =
         pip install -U pip
         pip install -U setuptools wheel
-        pip install -U --upgrade-strategy eager wuttjamaican[docs,tests]
+        pip install -U --upgrade-strategy eager wuttjamaican[db,docs,tests]
         pytest {posargs}
 
 [testenv:coverage]