diff --git a/flatpak-data/social.whalebird.WhalebirdDesktop.desktop b/flatpak-data/social.whalebird.WhalebirdDesktop.desktop
new file mode 100644
index 00000000..8506c688
--- /dev/null
+++ b/flatpak-data/social.whalebird.WhalebirdDesktop.desktop
@@ -0,0 +1,10 @@
+[Desktop Entry]
+Version=1.0
+Type=Application
+Name=Whalebird
+Comment=Electron-based Mastodon/Pleroma/Misskey client
+Exec=start-whalebird.sh %U
+Icon=social.whalebird.WhalebirdDesktop
+Categories=Network;
+Terminal=false
+
diff --git a/flatpak-data/social.whalebird.WhalebirdDesktop.metainfo.xml b/flatpak-data/social.whalebird.WhalebirdDesktop.metainfo.xml
new file mode 100644
index 00000000..fa93d545
--- /dev/null
+++ b/flatpak-data/social.whalebird.WhalebirdDesktop.metainfo.xml
@@ -0,0 +1,50 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<component type="desktop-application">
+  <id>social.whalebird.WhalebirdDesktop</id>
+  
+  <name>WhaleBrird </name>
+  <summary>Whalebird is a Mastodon, Pleroma, and Misskey client for the desktop</summary>
+  
+  <metadata_license>CC0-1.0</metadata_license>
+  <project_license>MIT</project_license>
+  <url type="homepage">https://whalebird.social/en/desktop/contents</url>
+  <content_rating type="oars-1.1">
+    <content_attribute id="social-chat">intense</content_attribute>
+    <content_attribute id="social-audio">intense</content_attribute>
+  </content_rating>
+
+
+  <description>
+    <p>Whalebird is a Mastodon, Pleroma, and Misskey client for the desktop</p>
+    <p>Features</p>
+        <ul>
+            <li>An interface like slack</li>
+            <li>Notify to desktop</li>
+            <li>Streaming</li>
+            <li>Many keyboard shortcuts</li>
+            <li>Manage multiple accounts</li>
+        </ul>
+  </description>
+  
+  <launchable type="desktop-id">social.whalebird.WhalebirdDesktop.desktop</launchable>
+  <screenshots>
+    <screenshot type="default">
+      <image>https://github.com/h3poteto/whalebird-desktop/raw/master/screenshot_1.png</image>
+    </screenshot>
+  </screenshots>
+  <releases>
+      <release version="4.4.6" date="2021-10-29">
+          <description>
+              <p>Added</p>
+            <ul>
+                    <li>Add reset menu to reset preferences</li>
+                    <li>Use system theme as the default theme</li>
+              </ul>
+              <p>Changed</p>
+              <ul>
+                    <li>New Crowdin updates</li>
+              </ul>
+          </description>
+      </release>
+  </releases>
+</component>