diff --git a/tox.ini b/tox.ini
index 5e3ecbe60..110a1944c 100644
--- a/tox.ini
+++ b/tox.ini
@@ -23,6 +23,7 @@ deps =
     http://quixote.ca/releases/Quixote-2.7b2.tar.gz
     qrcode
     python-dateutil
+    pillow
     feedparser
 commands =
     pickle:  py.test --without-postgresql-tests {env:COVERAGE:} {posargs:tests}