diff -r bc9d901cb9e6 -r 6186cd15a46d debian/control
--- a/debian/control	Wed Dec 07 14:11:23 2016 +0100
+++ b/debian/control	Wed Dec 14 11:13:46 2016 +0100
@@ -25,7 +25,7 @@
  python-pyramid,
  python-pyramid-multiauth,
  python-waitress,
- python-passlib,
+ python-passlib (>= 1.7.0),
  python-wsgicors,
  sphinx-common,
 Standards-Version: 3.9.6