diff --git a/atkmm1_6.changes b/atkmm1_6.changes
index d0ceced..fb023c7 100644
--- a/atkmm1_6.changes
+++ b/atkmm1_6.changes
@@ -1,3 +1,8 @@
+-------------------------------------------------------------------
+Wed Feb 28 22:59:23 UTC 2018 - dimstar@opensuse.org
+
+- Modernize spec-file by calling spec-cleaner
+
 -------------------------------------------------------------------
 Mon Dec  5 13:50:39 UTC 2016 - jengelh@inai.de
 
diff --git a/atkmm1_6.spec b/atkmm1_6.spec
index 4f3a884..173a0b2 100644
--- a/atkmm1_6.spec
+++ b/atkmm1_6.spec
@@ -1,7 +1,7 @@
 #
-# spec file for package atkmm
+# spec file for package atkmm1_6
 #
-# Copyright (c) 2016 SUSE LINUX GmbH, Nuernberg, Germany.
+# Copyright (c) 2018 SUSE LINUX GmbH, Nuernberg, Germany.
 #
 # All modifications and additions to the file contributed by third parties
 # remain the property of their copyright owners, unless otherwise agreed
@@ -16,21 +16,21 @@
 #
 
 
-Name:           atkmm1_6
 %define _name   atkmm
+Name:           atkmm1_6
 Version:        2.24.2
 Release:        0
 Summary:        C++ Binding for the ATK library
-License:        LGPL-2.1+
+License:        LGPL-2.1-or-later
 Group:          Development/Libraries/C and C++
-Url:            http://www.gtkmm.org/
+URL:            http://www.gtkmm.org/
 Source:         http://download.gnome.org/sources/atkmm/2.24/%{_name}-%{version}.tar.xz
 Source99:       baselibs.conf
 BuildRequires:  fdupes
 BuildRequires:  gcc-c++
+BuildRequires:  pkgconfig
 BuildRequires:  pkgconfig(atk) >= 1.18
 BuildRequires:  pkgconfig(glibmm-2.4) >= 2.46.2
-BuildRoot:      %{_tmppath}/%{name}-%{version}-build
 
 %description
 atkmm is the C++ binding for the ATK library.
@@ -38,7 +38,7 @@ This module is part of the GNOME C++ bindings effort.
 
 %package -n libatkmm-1_6-1
 Summary:        C++ Binding for the ATK library
-License:        LGPL-2.1+
+License:        LGPL-2.1-or-later
 Group:          System/Libraries
 
 %description -n libatkmm-1_6-1
@@ -47,7 +47,7 @@ This module is part of the GNOME C++ bindings effort.
 
 %package devel
 Summary:        C++ Binding for the ATK library
-License:        LGPL-2.1+
+License:        LGPL-2.1-or-later
 Group:          Development/Libraries/C and C++
 Requires:       libatkmm-1_6-1 = %{version}
 
@@ -57,7 +57,7 @@ This module is part of the GNOME C++ bindings effort.
 
 %package doc
 Summary:        C++ Binding for the ATK library
-License:        GPL-2.0+ and LGPL-2.1+
+License:        GPL-2.0-or-later AND LGPL-2.1-or-later
 Group:          Documentation/HTML
 Requires:       glibmm2-doc
 BuildArch:      noarch
@@ -84,7 +84,8 @@ find %{buildroot} -type f -name "*.la" -delete -print
 
 %files -n libatkmm-1_6-1
 %defattr (-, root, root)
-%doc AUTHORS COPYING ChangeLog NEWS README
+%license COPYING
+%doc AUTHORS ChangeLog NEWS README
 %{_libdir}/libatkmm-1.6.so.*
 
 %files devel