--- a/debian/control	Fri Oct 26 17:40:25 2012 +0200
+++ b/debian/control	Fri Oct 26 17:58:31 2012 +0200
@@ -7,8 +7,8 @@
  Pierre-Yves David <pierre-yves.david@logilab.fr>,
 Standards-Version: 3.9.3
 Build-Depends:
- mercurial (>= 2.3~),
- mercurial-common (>= 2.3~),
+ mercurial (>= 2.3~, <<2.4),
+ mercurial-common (>= 2.3~, <<2.4),
  python,
  debhelper (>= 8),
  python-sphinx (>= 1.0.8),
@@ -22,7 +22,7 @@
 Depends:
  ${python:Depends},
  ${misc:Depends},
- mercurial (>= 2.3~),
+ mercurial (>= 2.3~, <<2.4),
 Description: evolve extension for Mercurial
  This package provides the experimental "evolve" extension for the Mercurial
  DVCS.