diff -Nru libsx-2.08/debian/changelog libsx-2.08/debian/changelog
--- libsx-2.08/debian/changelog	2018-03-02 11:48:29.000000000 +0000
+++ libsx-2.08/debian/changelog	2019-07-20 13:24:04.000000000 +0000
@@ -1,3 +1,10 @@
+libsx (2.08-4) unstable; urgency=medium
+
+  * Standards-Version: 4.4.0
+  * Move to debhelper-compat (=12)
+
+ -- Alastair McKinstry <mckinstry@debian.org>  Sat, 20 Jul 2019 14:24:04 +0100
+
 libsx (2.08-3) unstable; urgency=medium
 
   * Set VCS to point to salsa.debian.org
diff -Nru libsx-2.08/debian/compat libsx-2.08/debian/compat
--- libsx-2.08/debian/compat	2018-03-02 11:48:29.000000000 +0000
+++ libsx-2.08/debian/compat	1970-01-01 00:00:00.000000000 +0000
@@ -1 +0,0 @@
-10
diff -Nru libsx-2.08/debian/control libsx-2.08/debian/control
--- libsx-2.08/debian/control	2018-03-02 11:48:29.000000000 +0000
+++ libsx-2.08/debian/control	2019-07-20 13:24:04.000000000 +0000
@@ -2,14 +2,14 @@
 Section: utils
 Priority: optional
 Maintainer: Alastair McKinstry <mckinstry@debian.org>
-Build-Depends: debhelper (>= 10),
+Build-Depends: debhelper-compat (= 12),
  pkg-config,
  libxpm-dev,
  libxt-dev, 
  libxaw3dxft8-dev,
  libx11-dev
 Build-Conflicts: libsx-dev
-Standards-Version: 4.1.3
+Standards-Version: 4.4.0
 Homepage: https://www.dei.isep.ipp.pt/~andre/normas/libsx.htm
 Vcs-Browser: https://salsa.debian.org:/science-team/libsx.git
 Vcs-Git: https://salsa.debian.org:/science-team/libsx.git