diff -Nru emacs-git-messenger-0.18/debian/changelog emacs-git-messenger-0.18/debian/changelog
--- emacs-git-messenger-0.18/debian/changelog	2019-08-29 11:09:17.000000000 +0000
+++ emacs-git-messenger-0.18/debian/changelog	2021-01-02 08:08:35.000000000 +0000
@@ -1,3 +1,15 @@
+emacs-git-messenger (0.18-5) unstable; urgency=medium
+
+  * Add upstream metadata
+  * Install upstream changelog
+  * Migrate to dh 13 without d/compat
+  * d/control: Declare Standards-Version 4.5.1 (no changes needed)
+  * d/control: Add Rules-Requires-Root: no
+  * d/control: Drop emacs25 from Enhances
+  * d/copyright: Bump copyright years
+
+ -- Lev Lamberov <dogsleg@debian.org>  Sat, 02 Jan 2021 13:08:35 +0500
+
 emacs-git-messenger (0.18-4) unstable; urgency=medium
 
   * Team upload.
diff -Nru emacs-git-messenger-0.18/debian/compat emacs-git-messenger-0.18/debian/compat
--- emacs-git-messenger-0.18/debian/compat	2019-08-29 11:09:17.000000000 +0000
+++ emacs-git-messenger-0.18/debian/compat	1970-01-01 00:00:00.000000000 +0000
@@ -1 +0,0 @@
-11
diff -Nru emacs-git-messenger-0.18/debian/control emacs-git-messenger-0.18/debian/control
--- emacs-git-messenger-0.18/debian/control	2019-08-29 11:09:17.000000000 +0000
+++ emacs-git-messenger-0.18/debian/control	2021-01-02 08:08:35.000000000 +0000
@@ -3,10 +3,11 @@
 Priority: optional
 Maintainer: Debian Emacsen team <debian-emacsen@lists.debian.org>
 Uploaders: Lev Lamberov <dogsleg@debian.org>
-Build-Depends: debhelper (>= 11),
+Build-Depends: debhelper-compat (= 13),
                dh-elpa,
                elpa-popup
-Standards-Version: 4.1.4
+Standards-Version: 4.5.1
+Rules-Requires-Root: no
 Testsuite: autopkgtest-pkg-elpa
 Homepage: https://github.com/syohex/emacs-git-messenger
 Vcs-Browser: https://salsa.debian.org/emacsen-team/emacs-git-messenger
@@ -17,8 +18,7 @@
 Depends: ${elpa:Depends},
          ${misc:Depends}
 Recommends: emacs (>= 46.0)
-Enhances: emacs,
-          emacs25
+Enhances: emacs
 Description: pop up last commit information of current line
  This package provides a function that when called will pop-up the
  last git commit message for the current line. This is useful when you
diff -Nru emacs-git-messenger-0.18/debian/copyright emacs-git-messenger-0.18/debian/copyright
--- emacs-git-messenger-0.18/debian/copyright	2019-08-29 11:09:17.000000000 +0000
+++ emacs-git-messenger-0.18/debian/copyright	2021-01-02 08:08:35.000000000 +0000
@@ -7,7 +7,7 @@
 License: GPL-3+
 
 Files: debian/*
-Copyright: (C) 2017-2018 Lev Lamberov <dogsleg@debian.org>
+Copyright: (C) 2017-2020 Lev Lamberov <dogsleg@debian.org>
 License: GPL-3+
 
 License: GPL-3+
diff -Nru emacs-git-messenger-0.18/debian/rules emacs-git-messenger-0.18/debian/rules
--- emacs-git-messenger-0.18/debian/rules	2019-08-29 11:09:17.000000000 +0000
+++ emacs-git-messenger-0.18/debian/rules	2021-01-02 08:08:35.000000000 +0000
@@ -6,4 +6,8 @@
 override_dh_auto_build:
 	@echo skipping upstream build
 
-.PHONY: override_dh_auto_build
+override_dh_installchangelogs:
+	dh_installchangelogs Changes
+	dh_installchangelogs
+
+.PHONY: override_dh_auto_build override_dh_installchangelogs
diff -Nru emacs-git-messenger-0.18/debian/upstream/metadata emacs-git-messenger-0.18/debian/upstream/metadata
--- emacs-git-messenger-0.18/debian/upstream/metadata	1970-01-01 00:00:00.000000000 +0000
+++ emacs-git-messenger-0.18/debian/upstream/metadata	2021-01-02 08:08:35.000000000 +0000
@@ -0,0 +1,5 @@
+---
+Bug-Database: https://github.com/syohex/emacs-git-messenger/issues
+Bug-Submit: https://github.com/syohex/emacs-git-messenger/issues/new
+Repository: https://github.com/syohex/emacs-git-messenger.git
+Repository-Browse: https://github.com/syohex/emacs-git-messenger