diff --git a/subprojects/extensions-app/data/metainfo/meson.build b/subprojects/extensions-app/data/metainfo/meson.build
index a19bfa80a..df56b80d2 100644
--- a/subprojects/extensions-app/data/metainfo/meson.build
+++ b/subprojects/extensions-app/data/metainfo/meson.build
@@ -8,9 +8,18 @@ i18n.merge_file(
 )
 
 if (appstream_util.found())
-  test('Validating ' + metainfo,
+  test('Validating via appstream_util ' + metainfo,
     appstream_util,
     args: ['validate', '--nonet', metainfo],
     workdir: meson.current_build_dir()
   )
 endif
+
+# Validate Appdata
+if (appstreamcli.found())
+  test('Validating ' + metainfo,
+    appstreamcli,
+    args: ['validate', '--no-net', metainfo],
+    workdir: meson.current_build_dir()
+  )
+endif
diff --git a/subprojects/extensions-app/data/metainfo/org.gnome.Extensions.metainfo.xml.in b/subprojects/extensions-app/data/metainfo/org.gnome.Extensions.metainfo.xml.in
index aacdd13ee..e3f0b7a07 100644
--- a/subprojects/extensions-app/data/metainfo/org.gnome.Extensions.metainfo.xml.in
+++ b/subprojects/extensions-app/data/metainfo/org.gnome.Extensions.metainfo.xml.in
@@ -10,13 +10,16 @@
 
   <url type="homepage">https://apps.gnome.org/Extensions/</url>
   <url type="bugtracker">https://gitlab.gnome.org/GNOME/gnome-shell/issues/new</url>
-  <url type="donation">http://www.gnome.org/friends/</url>
+  <url type="donation">https://www.gnome.org/donate/</url>
   <url type="translate">https://wiki.gnome.org/TranslationProject</url>
   <url type="vcs-browser">https://gitlab.gnome.org/GNOME/gnome-shell/-/tree/HEAD/subprojects/extensions-app</url>
 
   <project_group>GNOME</project_group>
-  <developer_name>The GNOME Project</developer_name>
+  <developer id="gnome.org">
+    <name>The GNOME Project</name>
+  </developer>
 
+  <translation type="gettext">gnome-extensions-app</translation>
   <launchable type="desktop-id">org.gnome.Extensions.desktop</launchable>
 
   <kudos>
@@ -45,7 +48,9 @@
 
   <releases>
     <release version="45.0" date="2023-09-16">
-      <p>Modernize layout</p>
+      <description>
+        <p>Modernize layout</p>
+      </description>
     </release>
   </releases>
 
diff --git a/subprojects/extensions-app/meson.build b/subprojects/extensions-app/meson.build
index 6c9639ee6..b7bc368b6 100644
--- a/subprojects/extensions-app/meson.build
+++ b/subprojects/extensions-app/meson.build
@@ -48,6 +48,7 @@ servicedir = join_paths(datadir, 'dbus-1', 'services')
 
 gjs = find_program('gjs')
 appstream_util = find_program('appstream-util', required: false)
+appstreamcli = find_program('appstreamcli', required: false)
 desktop_file_validate = find_program('desktop-file-validate', required: false)
 
 subdir('data')