--- a/debian/control	Tue Mar 15 16:58:50 2016 +0100
+++ b/debian/control	Wed Mar 16 10:06:18 2016 +0100
@@ -108,7 +108,7 @@
  ${python:Depends},
  cubicweb-web (= ${source:Version}),
  cubicweb-ctl (= ${source:Version}),
- python-twisted-web
+ python-twisted-web (<< 16.0.0),
 Recommends:
  cubicweb-documentation (= ${source:Version})
 Description: twisted-based web interface for the CubicWeb framework