diff --git a/docs/MonitorControl.4.0.0-beta2.dmg b/docs/MonitorControl.4.0.0-beta2.dmg
new file mode 100644
index 0000000..b343696
Binary files /dev/null and b/docs/MonitorControl.4.0.0-beta2.dmg differ
diff --git a/docs/appcast.xml b/docs/appcast.xml
index cd8a5d4..bf14e48 100644
--- a/docs/appcast.xml
+++ b/docs/appcast.xml
@@ -5,8 +5,6 @@
         <link>https://monitorcontrol.app</link>
         <item>
             <title>v4.0.0-beta1</title>
-            <!-- TODO: Use correct channels once setting is present. (after 4.0.0 release) -->
-            <!-- <sparkle:channel>beta</sparkle:channel> -->
             <sparkle:releaseNotesLink>
                 https://github.com/MonitorControl/MonitorControl/releases/tag/v4.0.0-beta1
             </sparkle:releaseNotesLink>
@@ -21,5 +19,24 @@
                length="4127428"
             />
         </item>
+        <item>
+            <title>v4.0.0-beta2</title>
+            <!-- TODO: Use correct channels once setting is present. (after 4.0.0 release) -->
+            <!-- <sparkle:channel>beta</sparkle:channel> -->
+            <sparkle:releaseNotesLink>
+                https://github.com/MonitorControl/MonitorControl/releases/tag/v4.0.0-beta2
+            </sparkle:releaseNotesLink>
+            <pubDate>Thu, 07 Oct 2021 20:31:20 +0200</pubDate>
+            <sparkle:version>6293</sparkle:version>
+            <sparkle:shortVersionString>4.0.0-beta2</sparkle:shortVersionString>
+            <sparkle:minimumSystemVersion>10.15</sparkle:minimumSystemVersion>
+            <!-- NOTE: TESTING -->
+            <enclosure
+               url="https://github.com/MonitorControl/MonitorControl/blob/github-pages/docs/MonitorControl.4.0.0-beta2.dmg"
+               type="application/octet-stream"
+               sparkle:edSignature="D00vAphhkkQ/lo753WP0LIxXg0Ph8jhF+u5pQrF8ZXFBR1cJtP3kdqRtKR6OMG9P9om6xc4UmyZXz99vuUzzDQ=="
+               length="4135991"
+            />
+        </item>
     </channel>
 </rss>