diff -r 4ab90c838772 -r 9f69164cdc16 debian/control
--- a/debian/control	Sat Oct 05 13:50:09 2019 -0400
+++ b/debian/control	Thu Nov 28 10:53:25 2019 +0100
@@ -9,20 +9,27 @@
 Build-Depends:
  mercurial (>= 4.5),
  python,
- debhelper (>= 8),
+ python3,
+ debhelper (>= 10),
+ dh-python,
  python-sphinx (>= 1.0.8),
  imagemagick,
  librsvg2-bin,
  wget,
+ sphinx-common,
 X-Python-Version: >= 2.7
+X-Python3-Version: >= 3.6
 Homepage: https://www.mercurial-scm.org/doc/evolution/
 
 Package: mercurial-evolve
 Architecture: all
 Depends:
  ${python:Depends},
+ ${python3:Depends},
  ${misc:Depends},
+ ${sphinxdoc:Depends},
  mercurial (>= 4.5),
+Built-Using: ${sphinxdoc:Built-Using}
 Description: evolve extension for Mercurial
  This package provides the experimental "evolve" extension for the Mercurial
  DVCS.