diff -r d7e8912549cd -r 403a901b6b1e debian/control
--- a/debian/control	Tue Jan 19 10:03:16 2016 +0100
+++ b/debian/control	Thu Jan 14 18:35:07 2016 +0100
@@ -11,7 +11,7 @@
  python-six (>= 1.4.0),
  python-sphinx,
  python-logilab-common,
- python-unittest2 | python (>= 2.7),
+ python-unittest2 (>= 0.7.0) | python (>= 3.4),
  python-logilab-mtconverter,
  python-markdown,
  python-tz,