diff --git a/debian/control b/debian/control
index c8cc294..9f26f4a 100644
--- a/debian/control
+++ b/debian/control
@@ -1,23 +1,30 @@
 Source: swh-loader-mercurial
 Maintainer: Software Heritage developers <swh-devel@inria.fr>
 Section: python
 Priority: optional
 Build-Depends: debhelper (>= 9),
                dh-python (>= 2),
                python3-all,
                python3-nose,
                python3-setuptools,
+               python3-vcversioner,
+               python3-retrying,
+               python3-hglib,
+               patool,
                python3-swh.core (>= 0.0.36~),
                python3-swh.storage (>= 0.0.95~),
-               python3-vcversioner
+               python-sqlitedict
 Standards-Version: 3.9.6
 Homepage: https://forge.softwareheritage.org/source/swh-loader-mercurial/
 
 Package: python3-swh.loader.mercurial
 Architecture: all
 Depends: python3-swh.core (>= 0.0.36~),
          python3-swh.storage (>= 0.0.95~),
+         patool,
+         python-sqlitedict,
+         python3-hglib,
          ${misc:Depends}, ${python3:Depends}
 Description: Software Heritage Mercurial Loader
   Module in charge of loading hg/mercurial repositories into
   swh storage.
diff --git a/requirements.txt b/requirements.txt
index 0dc5a69..d4773e7 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -1,6 +1,7 @@
 # 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
-python-hglib
-patool
+hglib
+retrying
+sqlitedict