diff --git a/.gitignore b/.gitignore
index 3cd0e38..4cca168 100644
--- a/.gitignore
+++ b/.gitignore
@@ -64,3 +64,4 @@ gnumeric-1.10.8.tar.bz2
 /gnumeric-1.12.49.tar.xz
 /gnumeric-1.12.50.tar.xz
 /gnumeric-1.12.51.tar.xz
+/gnumeric-1.12.52.tar.xz
diff --git a/gnumeric.spec b/gnumeric.spec
index 97eb43f..6f85062 100644
--- a/gnumeric.spec
+++ b/gnumeric.spec
@@ -1,6 +1,6 @@
 Name:             gnumeric
 Epoch:            1
-Version:          1.12.51
+Version:          1.12.52
 Release:          1%{?dist}
 Summary:          Spreadsheet program for GNOME
 #LGPLv2+:
@@ -94,6 +94,8 @@ desktop-file-install --delete-original                                  \
   --remove-category Science                                             \
   $RPM_BUILD_ROOT%{_datadir}/applications/*.desktop
 
+appstream-util validate-relax --nonet $RPM_BUILD_ROOT%{_metainfodir}/%{name}.appdata.xml
+
 #remove .la files
 find $RPM_BUILD_ROOT -name '*.la' -exec rm -f {} ';'
 
@@ -121,7 +123,7 @@ find $RPM_BUILD_ROOT -name '*.la' -exec rm -f {} ';'
 %dir %{_datadir}/%{name}
 %{_datadir}/%{name}/%{version}
 %{_datadir}/applications/%{name}.desktop
-%{_datadir}/appdata/%{name}.appdata.xml
+%{_metainfodir}/%{name}.appdata.xml
 %{_mandir}/man1/*
 
 %files devel
@@ -141,6 +143,10 @@ find $RPM_BUILD_ROOT -name '*.la' -exec rm -f {} ';'
 
 
 %changelog
+* Wed Apr 20 2022 Julian Sikorski <belegdol@fedoraproject.org> - 1:1.12.52-1
+- Update to 1.12.52
+- Enable appdata file validation
+
 * Sun Jan 23 2022 Julian Sikorski <belegdol@fedoraproject.org> - 1:1.12.51-1
 - Update to 1.12.51
 
diff --git a/sources b/sources
index de648d0..c83cbb8 100644
--- a/sources
+++ b/sources
@@ -1 +1 @@
-SHA512 (gnumeric-1.12.51.tar.xz) = c46164d9deb29831ab059613548743d84cb15461ac363305a28097832eb69d3fbf3cf8784c420c777bd09e32212b2ef6237bfa56ca28a7e08fd3befde9dfed36
+SHA512 (gnumeric-1.12.52.tar.xz) = 3baa2d2c4ed5f740429454f988ea527991febf38f49df17f0d88affe501c676bae95149fb0cdb4b369ef8d32247c1f4fe4c0eeab9a60329e1332aaf9c566f868