diff --git a/.gitignore b/.gitignore
index 3a08f93..b6fbcd4 100644
--- a/.gitignore
+++ b/.gitignore
@@ -4,3 +4,4 @@ mmapper-2.0.4-final2-source.tar.gz
 /mmapper-2.2.1-source.tar.gz
 /MMapper-2.3.4.tar.gz
 /MMapper-2.3.6.tar.gz
+/MMapper-2.4.3.tar.gz
diff --git a/mmapper.spec b/mmapper.spec
index 6a8f3d8..495b5e3 100644
--- a/mmapper.spec
+++ b/mmapper.spec
@@ -1,6 +1,6 @@
 Name:           mmapper
-Version:        2.3.6
-Release:        6%{?dist}
+Version:        2.4.3
+Release:        1%{?dist}
 Summary:        Graphical MUME mapper
 
 Group:          Amusements/Games
@@ -8,9 +8,11 @@ License:        GPLv2+
 URL:            https://github.com/MUME/MMapper
 Source0:        https://github.com/MUME/MMapper/archive/v%{version}/MMapper-%{version}.tar.gz
 
+BuildRequires:  /usr/bin/appstream-util
 BuildRequires:  cmake
 BuildRequires:  desktop-file-utils
 BuildRequires:  qt5-qtbase-devel
+BuildRequires:  qtiocompressor-devel
 BuildRequires:  zlib-devel
 Requires:       hicolor-icon-theme
 
@@ -41,7 +43,8 @@ make install DESTDIR=$RPM_BUILD_ROOT -C %{_target_platform}
 # It is questionable if one is allowed to redistribute the map.
 rm -f $RPM_BUILD_ROOT/%{_datadir}/games/mmapper/arda.mm2
 
-desktop-file-validate $RPM_BUILD_ROOT/%{_datadir}/applications/mmapper.desktop
+appstream-util validate-relax --nonet $RPM_BUILD_ROOT%{_datadir}/metainfo/mmapper.appdata.xml
+desktop-file-validate $RPM_BUILD_ROOT%{_datadir}/applications/mmapper.desktop
 
 
 %post
@@ -59,13 +62,18 @@ gtk-update-icon-cache %{_datadir}/icons/hicolor &>/dev/null || :
 
 %files
 %license COPYING.txt
-%doc NEWS.txt doc/*.txt
+%doc NEWS.txt
 %{_bindir}/mmapper
 %{_datadir}/applications/mmapper.desktop
 %{_datadir}/icons/hicolor/*/apps/mmapper.png
+%{_datadir}/metainfo/mmapper.appdata.xml
 
 
 %changelog
+* Wed Jan 17 2018 Kalev Lember <klember@redhat.com> - 2.4.3-1
+- Update to 2.4.3
+- Add appdata file
+
 * Thu Aug 03 2017 Fedora Release Engineering <releng@fedoraproject.org> - 2.3.6-6
 - Rebuilt for https://fedoraproject.org/wiki/Fedora_27_Binutils_Mass_Rebuild
 
diff --git a/sources b/sources
index 2c4b9c5..be14ed0 100644
--- a/sources
+++ b/sources
@@ -1 +1 @@
-1a4a491197c9721c53693b485294d451  MMapper-2.3.6.tar.gz
+SHA512 (MMapper-2.4.3.tar.gz) = f65ed0350c40b78f58bcf67b72c83ec0df63b38ce92b9156cc9bf0db01e8ec2f105994ce7c5d5643abf5e7d22eb9b290ae23b7bbfc1311d6d98bc67003f6648b