diff -r b23d58050076 -r 299640088c23 debian/control
--- a/debian/control	Mon Sep 26 16:45:30 2016 +0200
+++ b/debian/control	Mon Sep 26 16:53:33 2016 +0200
@@ -136,6 +136,10 @@
  python-wsgicors,
 Recommends:
  python-pyramid-debugtoolbar
+Conflicts:
+ pyramid-cubicweb
+Replaces:
+ pyramid-cubicweb
 Description: Integrate CubicWeb with a Pyramid application
  Provides pyramid extensions to load a CubicWeb instance and serve it through
  the pyramid stack.