diff -Nru numix-gtk-theme-2.6.7/debian/changelog numix-gtk-theme-2.6.7/debian/changelog
--- numix-gtk-theme-2.6.7/debian/changelog	2018-12-23 13:41:18.000000000 +0000
+++ numix-gtk-theme-2.6.7/debian/changelog	2019-11-18 08:46:08.000000000 +0000
@@ -1,3 +1,15 @@
+numix-gtk-theme (2.6.7-5) unstable; urgency=medium
+
+  * debian/{control,compat}:
+    + Switch to debhelper-compat notation. Bump DH comat level to version 12.
+  * debian/control:
+    + Revert Jeremy Bicha's work-around ("Add Breaks: murrine-themes")
+      for to-be-finally resolved Debian bug #838994 (in gtk2-engines-murrine).
+      (Closes: #891493).
+    + Bump Standards-Version: to 4.4.1. No changes needed.
+
+ -- Mike Gabriel <sunweaver@debian.org>  Mon, 18 Nov 2019 09:46:08 +0100
+
 numix-gtk-theme (2.6.7-4) unstable; urgency=medium
 
   * Use sed to set Adwaita as default icon theme on Ubuntu
diff -Nru numix-gtk-theme-2.6.7/debian/compat numix-gtk-theme-2.6.7/debian/compat
--- numix-gtk-theme-2.6.7/debian/compat	2018-12-23 13:41:18.000000000 +0000
+++ numix-gtk-theme-2.6.7/debian/compat	1970-01-01 00:00:00.000000000 +0000
@@ -1 +0,0 @@
-11
diff -Nru numix-gtk-theme-2.6.7/debian/control numix-gtk-theme-2.6.7/debian/control
--- numix-gtk-theme-2.6.7/debian/control	2018-12-23 13:41:18.000000000 +0000
+++ numix-gtk-theme-2.6.7/debian/control	2019-11-18 08:44:47.000000000 +0000
@@ -5,12 +5,12 @@
 Uploaders: Jeremy Bicha <jbicha@debian.org>,
            Mike Gabriel <sunweaver@debian.org>,
            Debian+Ubuntu MATE Packaging Team <debian-mate@lists.debian.org>
-Build-Depends: debhelper (>= 11),
+Build-Depends: debhelper-compat (= 12),
                libgdk-pixbuf2.0-dev,
                libglib2.0-bin,
                libxml2-utils,
                ruby-sass
-Standards-Version: 4.3.0
+Standards-Version: 4.4.1
 Homepage: https://github.com/numixproject/numix-gtk-theme
 Vcs-Git: https://salsa.debian.org/desktop-themes-team/numix-gtk-theme.git
 Vcs-Browser: https://salsa.debian.org/desktop-themes-team/numix-gtk-theme
@@ -21,7 +21,6 @@
 Depends: gtk2-engines-murrine (>= 0.98),
          ${misc:Depends},
          ${icon-theme:Depends}
-Breaks: ${murrine:Breaks}
 Description: modern flat theme from the Numix project
  Numix is a modern flat theme with a combination of light and dark
  elements for any GTK-based desktop environment, including GNOME Shell,