diff --git a/debian/control b/debian/control
index 49c2aae..8124280 100644
--- a/debian/control
+++ b/debian/control
@@ -1,21 +1,22 @@
 Source: swh-model
 Maintainer: Software Heritage developers <swh-devel@inria.fr>
 Section: python
 Priority: optional
 Build-Depends: debhelper (>= 9),
                dh-python (>= 2),
                python3 (>= 3.5) | python3-pyblake2,
                python3-all,
+               python3-click,
                python3-nose,
                python3-setuptools,
                python3-vcversioner
 Standards-Version: 3.9.6
 Homepage: https://forge.softwareheritage.org/diffusion/DMOD/
 
 Package: python3-swh.model
 Architecture: all
 Depends: ${misc:Depends}, ${python3:Depends}
 Breaks: python3-swh.loader.core (<< 0.0.16~),
         python3-swh.loader.dir (<< 0.0.28~),
         python3-swh.loader.svn (<< 0.0.28~)
 Description: Software Heritage data model
diff --git a/requirements.txt b/requirements.txt
index 151b926..447def3 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -1,4 +1,5 @@
 # Add here external Python modules dependencies, one per line. Module names
 # should match https://pypi.python.org/pypi names. For the full spec or
 # dependency lines, see https://pip.readthedocs.org/en/1.1/requirements.html
 vcversioner
+Click