diff -Nru gnome-paint-0.4.0/debian/changelog gnome-paint-0.4.0/debian/changelog
--- gnome-paint-0.4.0/debian/changelog	2017-04-17 13:42:56.000000000 +0000
+++ gnome-paint-0.4.0/debian/changelog	2018-08-28 18:40:56.000000000 +0000
@@ -1,3 +1,17 @@
+gnome-paint (0.4.0-6) unstable; urgency=medium
+
+  * Rebuild against gcc-8.
+  * debian/control:
+    + Bump debhelper compat to v11.
+    + Bump Standards-Version to 4.2.1.
+    + Update Vcs fields and use the git repo under Salsa Debian group.
+    + Update my uploader email address and use the @debian.org one.
+    - Remove unnecessary build-dependency dh-autoreconf.
+  * debian/rules:
+    + Enable full hardening.
+
+ -- Boyuan Yang <byang@debian.org>  Tue, 28 Aug 2018 14:40:56 -0400
+
 gnome-paint (0.4.0-5) unstable; urgency=medium
 
   * Sponsored upload.
diff -Nru gnome-paint-0.4.0/debian/compat gnome-paint-0.4.0/debian/compat
--- gnome-paint-0.4.0/debian/compat	2017-04-17 13:42:56.000000000 +0000
+++ gnome-paint-0.4.0/debian/compat	2018-08-28 18:39:14.000000000 +0000
@@ -1 +1 @@
-9
+11
diff -Nru gnome-paint-0.4.0/debian/control gnome-paint-0.4.0/debian/control
--- gnome-paint-0.4.0/debian/control	2017-04-17 13:42:56.000000000 +0000
+++ gnome-paint-0.4.0/debian/control	2018-08-28 18:38:10.000000000 +0000
@@ -3,19 +3,24 @@
 Priority: optional
 Maintainer: Aron Xu <aron@debian.org>
 Uploaders:
- Boyuan Yang <073plan@gmail.com>
-Build-Depends: debhelper (>= 9), dh-autoreconf, libgtk2.0-dev, intltool ( >= 0.35.0), gettext
-Standards-Version: 3.9.8
+ Boyuan Yang <byang@debian.org>,
+Build-Depends:
+ debhelper (>= 11),
+ gettext,
+ intltool ( >= 0.35.0),
+ libgtk2.0-dev,
+Standards-Version: 4.2.1
 Homepage: https://launchpad.net/gnome-paint/
-Vcs-Git: https://anonscm.debian.org/git/collab-maint/gnome-paint.git
-Vcs-Browser: https://anonscm.debian.org/git/collab-maint/gnome-paint.git
+Vcs-Git: https://salsa.debian.org/debian/gnome-paint.git
+Vcs-Browser: https://salsa.debian.org/debian/gnome-paint
 
 Package: gnome-paint
 Architecture: any
-Depends: ${shlibs:Depends}, ${misc:Depends}
+Depends:
+ ${misc:Depends},
+ ${shlibs:Depends},
 Description: simple, easy to use paint program for GNOME
- gnome-paint is a program inspired by MS Paint and designed for 
- GNOME (and maybe other) desktop environment. It could be used to 
- manipulate images in a very simple way. With a very friendly 
+ gnome-paint is a program inspired by MS Paint and designed for
+ GNOME (and maybe other) desktop environment. It could be used to
+ manipulate images in a very simple way. With a very friendly
  user interface, gnome-paint is easy to get started for new users.
- 
diff -Nru gnome-paint-0.4.0/debian/copyright gnome-paint-0.4.0/debian/copyright
--- gnome-paint-0.4.0/debian/copyright	2017-04-17 13:42:56.000000000 +0000
+++ gnome-paint-0.4.0/debian/copyright	2018-08-28 18:37:15.000000000 +0000
@@ -59,5 +59,3 @@
 
 and is licensed under the GPL version 3,
 see `/usr/share/common-licenses/GPL-3'.
-
-
diff -Nru gnome-paint-0.4.0/debian/rules gnome-paint-0.4.0/debian/rules
--- gnome-paint-0.4.0/debian/rules	2017-04-17 13:42:56.000000000 +0000
+++ gnome-paint-0.4.0/debian/rules	2018-08-28 18:39:07.000000000 +0000
@@ -1,7 +1,11 @@
 #!/usr/bin/make -f
 # -*- makefile -*-
+# Uncomment this to turn on verbose mode.
+# export DH_VERBOSE=1
 
-LDFLAGS += -Wl,--as-needed
+# see FEATURE AREAS in dpkg-buildflags(1)
+export DEB_BUILD_MAINT_OPTIONS = hardening=+all
+export DEB_LDFLAGS_MAINT_APPEND = -Wl,--as-needed
 
 %:
 	dh  $@ --with autoreconf