diff --git a/.gitlab-ci.yml b/.gitlab-ci.yml
index b1dea74c..464d0f86 100644
--- a/.gitlab-ci.yml
+++ b/.gitlab-ci.yml
@@ -350,9 +350,13 @@ build-flatpak:
     - git config --global protocol.file.allow always
   script:
     - export VERSION=$(git describe)
+    # workaround for https://github.com/flatpak/flatpak/issues/5076
+    - dbus-send --system /org/freedesktop/DBus org.freedesktop.DBus || dbus-daemon --system --fork
     - mkdir -p build-flatpak
     - cd build-flatpak
     - flatpak-builder --arch=${AARCH} --install-deps-from=flathub --user --disable-rofiles-fuse --ccache --repo=repo --default-branch=${CI_COMMIT_REF_NAME//\//_} --subject="Build of Nheko ${VERSION} `date` for ${ARCH}" app ../im.nheko.Nheko.yaml --jobs=$JOBS
+    - flatpak install --user -y flathub org.flatpak.Builder
+    - flatpak run --command=flatpak-builder-lint org.flatpak.Builder appstream app/files/share/app-info/xmls/im.nheko.Nheko.xml.gz
     - flatpak --arch=${AARCH} build-bundle repo nheko-${ARCH}.flatpak im.nheko.Nheko ${CI_COMMIT_REF_NAME//\//_}
   after_script:
     - bash ./.ci/upload-nightly-gitlab.sh build-flatpak/nheko-${ARCH}.flatpak
diff --git a/im.nheko.Nheko.yaml b/im.nheko.Nheko.yaml
index cead580f..6100bb77 100644
--- a/im.nheko.Nheko.yaml
+++ b/im.nheko.Nheko.yaml
@@ -42,9 +42,9 @@ cleanup:
 modules:
   - name: lmdb
     sources:
-      - sha256: 8c5a93ac3cc97427c54571ad5a6140b7469389d01e6d2f43df39f96d3a4ccef7
+      - sha256: c0937223bba3c37c896809883a3c9b43049354578b239d6ed2476236a87f40c9
         type: archive
-        url: https://git.openldap.org/openldap/openldap/-/archive/LMDB_0.9.30/openldap-LMDB_0.9.30.tar.gz
+        url: https://git.openldap.org/openldap/openldap/-/archive/LMDB_0.9.32/openldap-LMDB_0.9.32.tar.gz
     make-install-args:
       - prefix=/app
     no-autogen: true
diff --git a/resources/nheko.appdata.xml.in b/resources/nheko.appdata.xml.in
index 51a43927..69a632a1 100644
--- a/resources/nheko.appdata.xml.in
+++ b/resources/nheko.appdata.xml.in
@@ -5,6 +5,9 @@
   <launchable type="desktop-id">@APPID@.desktop</launchable>
   <metadata_license>CC0-1.0</metadata_license>
   <project_license>GPL-3.0-or-later</project_license>
+  <developer id="im.nheko">
+    <name>Nheko Reborn</name>
+  </developer>
   <name>nheko</name>
   <summary>Desktop client for the Matrix protocol</summary>
   <description>