diff --git a/debian/changelog b/debian/changelog
new file mode 100644
index 0000000000000000000000000000000000000000..df674eb40110d2bc66c9e63cf9688d954b54f2ca
--- /dev/null
+++ b/debian/changelog
@@ -0,0 +1,102 @@
+hfst-ospell (0.5.0-2) unstable; urgency=medium
+
+ * Added patch to fix FTBS with ICU 63.1 (Closes: #913505).
+
+ -- Kartik Mistry <kartik@debian.org> Fri, 16 Nov 2018 20:35:57 +0530
+
+hfst-ospell (0.5.0-1) unstable; urgency=low
+
+ [ Tino Didriksen ]
+ * Update to latest upstream.
+ * debian/control:
+ + Binary update: libhfstospell9 -> libhfstospell10.
+ + Updated Standards-Version to 4.2.1
+ + Updated dh to 11.
+ + Updated Vcs-* fields.
+ * Updated debian/copyrighti.
+ * Added hardening support.
+
+ [ Kartik Mistry ]
+ * debian/control:
+ + Updated section for libhfstospell10
+ * Updated debian/watch file.
+
+ -- Kartik Mistry <kartik@debian.org> Mon, 15 Oct 2018 17:17:58 +0530
+
+hfst-ospell (0.4.5~r343-2.1) unstable; urgency=medium
+
+ [ Timo Jyrinki ]
+ * NMU to fix warnings as agreed with maintainers
+ * Add Multi-Arch: same for hfst-ospell-dev and libhfstospell9
+ * Remove libhfstospell9.postinst to fix maintscript-calls-ldconfig
+
+ -- Timo Jyrinki <timo@debian.org> Wed, 23 Aug 2017 08:30:39 +0300
+
+hfst-ospell (0.4.5~r343-2) unstable; urgency=medium
+
+ [ Helmut Grohne ]
+ * debian/rules:
+ + Honour DEB_BUILD_OPTIONS=nocheck (closes: #869825).
+
+ -- Kartik Mistry <kartik@debian.org> Mon, 31 Jul 2017 11:27:14 +0530
+
+hfst-ospell (0.4.5~r343-1) unstable; urgency=medium
+
+ [ Tino Didriksen ]
+ * Update to latest upstream release.
+ * Refresh copyright listing in AUTHORS, and check debian/copyright
+ (Closes: #859032)
+
+ [ Kartik Mistry ]
+ * debian/control:
+ + Updated Standards-Version to 4.0.0
+
+ -- Kartik Mistry <kartik@debian.org> Wed, 28 Jun 2017 18:37:50 +0530
+
+hfst-ospell (0.4.3~r338-1) unstable; urgency=medium
+
+ [ Tino Didriksen ]
+ * Update to latest upstream release.
+ * Decoupled from HFST and now assumes zhfst files are little-endian.
+ * debian/patches/hfst-ospell_02_xfail.diff:
+ + Runs and passes tests again (closes: #824119)
+
+ -- Kartik Mistry <kartik@debian.org> Thu, 23 Mar 2017 18:39:27 +0530
+
+hfst-ospell (0.4.0~r4643-4) unstable; urgency=medium
+
+ [ Tino Didriksen ]
+ * debian/rules:
+ + Skipped breaking tests.
+ * debian/control:
+ + Fixed Vcs-* URL.
+
+ -- Kartik Mistry <kartik@debian.org> Tue, 12 Apr 2016 14:45:15 +0530
+
+hfst-ospell (0.4.0~r4643-3) unstable; urgency=low
+
+ [ Kartik Mistry ]
+ * Upload to unstable.
+
+ [ Tino Didriksen ]
+ * debian/rules:
+ + Removed parallel build option to re-enable tests.
+
+ -- Kartik Mistry <kartik@debian.org> Fri, 26 Feb 2016 21:07:01 +0530
+
+hfst-ospell (0.4.0~r4643-2) experimental; urgency=low
+
+ [ Tino Didriksen ]
+ * Disable broken tests (closes: #815157)
+
+ [ Kartik Mistry ]
+ * Update Standards-Version to 3.9.7
+
+ -- Kartik Mistry <kartik@debian.org> Wed, 24 Feb 2016 22:20:53 +0530
+
+hfst-ospell (0.4.0~r4643-1) experimental; urgency=low
+
+ [ Tino Didriksen ]
+ * Initial release (closes: #813488)
+
+ -- Kartik Mistry <kartik@debian.org> Tue, 02 Feb 2016 19:14:36 +0530
diff --git a/debian/compat b/debian/compat
new file mode 100644
index 0000000000000000000000000000000000000000..9d607966b721abde8931ddd052181fae905db503
--- /dev/null
+++ b/debian/compat
@@ -0,0 +1 @@
+11
\ No newline at end of file
diff --git a/debian/control b/debian/control
new file mode 100644
index 0000000000000000000000000000000000000000..69bd0dc329d1dc1e6873179dc3e234305a1a80ef
--- /dev/null
+++ b/debian/control
@@ -0,0 +1,52 @@
+Source: hfst-ospell
+Section: science
+Priority: optional
+Maintainer: Debian Science Team <debian-science-maintainers@lists.alioth.debian.org>
+Uploaders: Tino Didriksen <tino@didriksen.cc>,
+ Kartik Mistry <kartik@debian.org>
+Build-Depends: autoconf,
+ automake,
+ debhelper (>= 11),
+ libarchive-dev,
+ libicu-dev,
+ libtool,
+ pkg-config,
+ zip
+Standards-Version: 4.2.1
+Homepage: https://github.com/hfst/hfst-ospell
+Vcs-Git: https://salsa.debian.org/science-team/hfst-ospell.git
+Vcs-Browser: https://salsa.debian.org/science-team/hfst-ospell
+
+Package: hfst-ospell
+Architecture: any
+Depends: libhfstospell10 (= ${binary:Version}),
+ ${misc:Depends},
+ ${shlibs:Depends}
+Description: Spell checker library and tool based on HFST
+ Minimal HFST optimized lookup format based spell checker library and
+ a demonstrational implementation of command line based spell checker.
+
+Package: libhfstospell10
+Architecture: any
+Multi-Arch: same
+Section: libs
+Depends: ${misc:Depends}, ${shlibs:Depends}
+Provides: libhfstospell
+Conflicts: libhfstospell
+Replaces: libhfstospell
+Description: HFST spell checker runtime libraries
+ Minimal HFST optimized lookup format based spell checker library and
+ a demonstrational implementation of command line based spell checker.
+ .
+ This package provides runtime libraries for hfst-ospell.
+
+Package: hfst-ospell-dev
+Architecture: any
+Multi-Arch: same
+Section: devel
+Depends: hfst-ospell (= ${binary:Version}), ${misc:Depends}, ${shlibs:Depends}
+Description: HFST spell checker development files
+ Minimal HFST optimized lookup format based spell checker library and
+ a demonstrational implementation of command line based spell checker.
+ .
+ This package provides development headers and libraries for hfst-ospell.
diff --git a/debian/copyright b/debian/copyright
new file mode 100644
index 0000000000000000000000000000000000000000..a4ddc01ffc6054f3f9cba10ea45d0dd0d9bee099
--- /dev/null
+++ b/debian/copyright
@@ -0,0 +1,33 @@
+Format: https://www.debian.org/doc/packaging-manuals/copyright-format/1.0/
+Source: https://github.com/hfst/hfst-ospell
+
+Files: *
+Copyright: 2009-2017, Department of Modern Languages, University of Helsinki
+ See AUTHORS for more copyrights.
+License: Apache-2.0
+
+License: Apache-2.0
+ On Debian systems, the complete text of the Apache License version 2.0
+ can be found in "/usr/share/common-licenses/Apache-2.0".
+
+Files: m4/*
+Copyright: 2008 Guido U. Draheim <guidod@gmx.de>
+ 2011 Maarten Bosmans <mkbosmans@gmail.com>
+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/docs b/debian/docs
new file mode 100644
index 0000000000000000000000000000000000000000..6f83607c14aa1cd7cb72686f7cda5ddd090b09ae
--- /dev/null
+++ b/debian/docs
@@ -0,0 +1,3 @@
+AUTHORS
+NEWS
+README
diff --git a/debian/hfst-ospell-dev.install b/debian/hfst-ospell-dev.install
new file mode 100644
index 0000000000000000000000000000000000000000..ce6156f23983560f783d0251580a3ae4845deedc
--- /dev/null
+++ b/debian/hfst-ospell-dev.install
@@ -0,0 +1,3 @@
+debian/tmp/usr/include/*
+debian/tmp/usr/lib/*/*.so
+debian/tmp/usr/lib/*/pkgconfig
diff --git a/debian/hfst-ospell.install b/debian/hfst-ospell.install
new file mode 100644
index 0000000000000000000000000000000000000000..a83314184cac05df48ab37f73af85b93d2965387
--- /dev/null
+++ b/debian/hfst-ospell.install
@@ -0,0 +1,2 @@
+debian/tmp/usr/bin
+debian/tmp/usr/share
diff --git a/debian/libhfstospell10.install b/debian/libhfstospell10.install
new file mode 100644
index 0000000000000000000000000000000000000000..95038746e6850f4f61f47eddc9190deecab2a48f
--- /dev/null
+++ b/debian/libhfstospell10.install
@@ -0,0 +1 @@
+debian/tmp/usr/lib/*/*.so.*
diff --git a/debian/patches/hfst-ospell_ICU_63.1.patch b/debian/patches/hfst-ospell_ICU_63.1.patch
new file mode 100644
index 0000000000000000000000000000000000000000..31b7818f441bb6b480c51a82e93f1eae465e8322
--- /dev/null
+++ b/debian/patches/hfst-ospell_ICU_63.1.patch
@@ -0,0 +1,21 @@
+From a949408067fa783b0cfc942baf55cc69b743adc5 Mon Sep 17 00:00:00 2001
+From: Tino Didriksen <mail@tinodidriksen.com>
+Date: Thu, 20 Sep 2018 09:54:23 +0000
+Subject: [PATCH] ICU is namespaced in newer versions (fixes #42)
+
+---
+ office.cc | 1 +
+ 1 file changed, 1 insertion(+)
+
+diff --git a/office.cc b/office.cc
+index ecb63c8..822e55a 100644
+--- a/office.cc
++++ b/office.cc
+@@ -49,6 +49,7 @@
+ #include <unicode/uloc.h>
+ #include <unicode/uchar.h>
+ #include <unicode/unistr.h>
++using namespace icu;
+
+ #include "ZHfstOspeller.h"
+
diff --git a/debian/patches/series b/debian/patches/series
new file mode 100644
index 0000000000000000000000000000000000000000..753d0d2582703a18f8f8cb29b1484e315b965a7b
--- /dev/null
+++ b/debian/patches/series
@@ -0,0 +1 @@
+hfst-ospell_ICU_63.1.patch
diff --git a/debian/rules b/debian/rules
new file mode 100755
index 0000000000000000000000000000000000000000..e53a13f7cc09f3dcc8e07c99621db5fff783e1e5
--- /dev/null
+++ b/debian/rules
@@ -0,0 +1,25 @@
+#!/usr/bin/make -f
+# -*- makefile -*-
+
+#export DH_VERBOSE=1
+export DH_OPTIONS
+export LC_ALL=C.UTF-8
+
+export DEB_BUILD_MAINT_OPTIONS = hardening=+all
+DPKG_EXPORT_BUILDFLAGS = 1
+include /usr/share/dpkg/buildflags.mk
+
+%:
+ dh $@ --fail-missing --with autoreconf
+
+override_dh_auto_configure:
+ dh_auto_configure -- --disable-static --enable-zhfst --without-libxmlpp --without-tinyxml2
+
+override_dh_auto_install:
+ dh_auto_install
+ find $(CURDIR) -type f -name '*.la' -exec rm -f '{}' \;
+
+ifeq ($(filter nocheck,$(DEB_BUILD_OPTIONS)),)
+override_dh_auto_test:
+ make -j1 check
+endif
diff --git a/debian/source/format b/debian/source/format
new file mode 100644
index 0000000000000000000000000000000000000000..163aaf8d82b6c54f23c45f32895dbdfdcc27b047
--- /dev/null
+++ b/debian/source/format
@@ -0,0 +1 @@
+3.0 (quilt)
diff --git a/debian/watch b/debian/watch
new file mode 100644
index 0000000000000000000000000000000000000000..3c8857b24e470d03129bee6dcd6cd45e5f8646d7
--- /dev/null
+++ b/debian/watch
@@ -0,0 +1,4 @@
+version=4
+opts="filenamemangle=s%(?:.*?)?v?(\d[\d.]*)\.tar\.gz%hfst-ospell-$1.tar.gz%" \
+ https://github.com/hfst/hfst-ospell/tags \
+ (?:.*?/)?v?(\d[\d.]*)\.tar\.gz debian uupdate