diff --git a/.github/actions/install-dependencies/action.yml b/.github/actions/install-dependencies/action.yml
index e888476a..3031b875 100644
--- a/.github/actions/install-dependencies/action.yml
+++ b/.github/actions/install-dependencies/action.yml
@@ -13,7 +13,7 @@ runs:
             libxkbcommon-x11-0 dbus-x11 libxcb-icccm4 libxcb-image0 libxcb-keysyms1 \
             libxcb-randr0 libxcb-render-util0 libxcb-xinerama0 libxcb-xfixes0 libxcb-shape0 \
             libegl1 libxcb-cursor0 libfuse-dev libsqlite3-dev libfuse3-dev pkg-config \
-            python3-pkgconfig libxxhash-dev borgbackup
+            python3-pkgconfig libxxhash-dev borgbackup appstream
 
     - name: Install system dependencies (macOS)
       if: runner.os == 'macOS'
diff --git a/.github/workflows/test.yml b/.github/workflows/test.yml
index 5d78041a..1515c385 100644
--- a/.github/workflows/test.yml
+++ b/.github/workflows/test.yml
@@ -69,6 +69,11 @@ jobs:
           python-version: ${{ matrix.python-version }}
           install-nox: true
 
+      - name: Validate Flatpak manifest
+        if: runner.os == 'Linux'
+        shell: bash
+        run: appstreamcli validate ./src/vorta/assets/metadata/com.borgbase.Vorta.appdata.xml
+
       - name: Setup tmate session
         uses: mxschmitt/action-tmate@v3
         if: ${{ github.event_name == 'workflow_dispatch' && github.event.inputs.debug_enabled == 'true' }}
diff --git a/src/vorta/assets/metadata/com.borgbase.Vorta.appdata.xml b/src/vorta/assets/metadata/com.borgbase.Vorta.appdata.xml
index 13784ff1..0286c4e0 100644
--- a/src/vorta/assets/metadata/com.borgbase.Vorta.appdata.xml
+++ b/src/vorta/assets/metadata/com.borgbase.Vorta.appdata.xml
@@ -44,9 +44,7 @@
   <releases>
     <release version="v0.10.0" date="2024-11-10" urgency="low">
       <description>
-        <p>See <a href="https://github.com/borgbase/vorta/releases">Github</a>
-            for detailed release notes.
-        </p>
+        See Github for detailed release notes: github.com/borgbase/vorta/releases
       </description>
     </release>
   </releases>