diff --git a/debian/changelog b/debian/changelog
new file mode 100644
index 0000000..7cf3508
--- /dev/null
+++ b/debian/changelog
@@ -0,0 +1,5 @@
+swh-perfecthash (0.1.1-1~swh1) unstable-swh; urgency=medium
+
+  * Initial release
+
+ -- Loïc Dachary <loic@dachary.org>  Thu, 09 Dec 2021 10:42:36 +0100
diff --git a/debian/control b/debian/control
new file mode 100644
index 0000000..5cd2887
--- /dev/null
+++ b/debian/control
@@ -0,0 +1,24 @@
+Source: swh-perfecthash
+Maintainer: Software Heritage developers <swh-devel@inria.fr>
+Section: python
+Priority: optional
+Build-Depends:
+ debhelper-compat (= 13),
+ dh-python (>= 3),
+ python3-all,
+ python3-cffi,
+ python3-pytest,
+ python3-setuptools,
+ python3-setuptools-scm,
+# The above dependencies are automatically generated. Add extra dependencies below:
+ libcmph-dev,
+ python3-all-dev,
+Rules-Requires-Root: no
+Standards-Version: 4.6.0
+Homepage: https://forge.softwareheritage.org/source/swh-perfecthash
+
+Package: python3-swh.perfecthash
+Architecture: any
+Depends: ${misc:Depends}, ${python3:Depends},
+ ${shlibs:Depends},
+Description: Software Heritage Perfect Hash
diff --git a/debian/copyright b/debian/copyright
new file mode 100644
index 0000000..e149981
--- /dev/null
+++ b/debian/copyright
@@ -0,0 +1,22 @@
+Format: http://www.debian.org/doc/packaging-manuals/copyright-format/1.0/
+
+Files: *
+Copyright: 2015-2021 The Software Heritage developers
+License: GPL-3+
+
+License: GPL-3+
+ This program is free software: you can redistribute it and/or modify
+ it under the terms of the GNU General Public License as published by
+ the Free Software Foundation; either version 3 of the License, or
+ (at your option) any later version.
+ .
+ This program is distributed in the hope that it will be useful,
+ but WITHOUT ANY WARRANTY; without even the implied warranty of
+ MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ GNU General Public License for more details.
+ .
+ You should have received a copy of the GNU General Public License
+ along with this program.  If not, see <http://www.gnu.org/licenses/>.
+ .
+ On Debian systems, the complete text of the GNU General Public
+ License version 3 can be found in `/usr/share/common-licenses/GPL-3'.
diff --git a/debian/gbp.conf b/debian/gbp.conf
new file mode 100644
index 0000000..7576206
--- /dev/null
+++ b/debian/gbp.conf
@@ -0,0 +1,6 @@
+[DEFAULT]
+upstream-branch=debian/upstream
+upstream-tag=debian/upstream/%(version)s
+upstream-vcs-tag=v%(version)s
+debian-branch=debian/unstable-swh
+pristine-tar=True
diff --git a/debian/rules b/debian/rules
new file mode 100755
index 0000000..54bf584
--- /dev/null
+++ b/debian/rules
@@ -0,0 +1,7 @@
+#!/usr/bin/make -f
+
+export PYBUILD_NAME=swh.perfecthash
+export PYBUILD_TEST_ARGS=-vv
+
+%:
+	dh $@ --with python3 --buildsystem=pybuild
diff --git a/debian/source/format b/debian/source/format
new file mode 100644
index 0000000..163aaf8
--- /dev/null
+++ b/debian/source/format
@@ -0,0 +1 @@
+3.0 (quilt)