diff --git a/org.zdoom.GZDoom.appdata.xml b/org.zdoom.GZDoom.appdata.xml
index 6e55ac4..fc32153 100644
--- a/org.zdoom.GZDoom.appdata.xml
+++ b/org.zdoom.GZDoom.appdata.xml
@@ -16,6 +16,7 @@
     <url type="help">https://zdoom.org/wiki/Main_Page</url>
     <url type="faq">https://zdoom.org/about</url>
     <url type="contact">https://forum.zdoom.org/</url>
+    <url type="vcs-browser">https://github.com/ZDoom/gzdoom</url>
 
     <launchable type="desktop-id">org.zdoom.GZDoom.desktop</launchable>
 
@@ -77,7 +78,22 @@
         </screenshot>
     </screenshots>
 
+    <categories>
+        <category>Game</category>
+        <category>Shooter</category>
+    </categories>
+
     <releases>
+        <release version="4.13.1" date="2024-10-20">
+            <description>
+                <p>Updated release package to GZDoom 4.13.1</p>
+            </description>
+        </release>
+        <release version="4.13.0" date="2024-10-12">
+            <description>
+                <p>Updated release package to GZDoom 4.13.0</p>
+            </description>
+        </release>
         <release version="4.12.2" date="2024-04-28">
             <description>
                 <p>Updated release package to GZDoom 4.12.2</p>
diff --git a/org.zdoom.GZDoom.yaml b/org.zdoom.GZDoom.yaml
index 46d7560..58db460 100644
--- a/org.zdoom.GZDoom.yaml
+++ b/org.zdoom.GZDoom.yaml
@@ -1,8 +1,8 @@
 app-id: org.zdoom.GZDoom
-runtime: org.kde.Platform
-runtime-version: "6.7"
-sdk: org.kde.Sdk
-command: gzdoom
+runtime: org.freedesktop.Platform
+sdk: org.freedesktop.Sdk
+runtime-version: '24.08'
+command: gzdoom.sh
 
 finish-args:
   - --device=dri
diff --git a/run.sh b/run.sh
new file mode 100755
index 0000000..f8fff81
--- /dev/null
+++ b/run.sh
@@ -0,0 +1,8 @@
+#!/usr/bin/env bash
+
+clear
+flatpak-builder --repo=testing-repo --force-clean build-dir org.zdoom.GZDoom.yaml
+flatpak --user remote-add --if-not-exists --no-gpg-verify gzd-testing-repo testing-repo
+flatpak --user install gzd-testing-repo org.zdoom.GZDoom -y
+flatpak --user install gzd-testing-repo org.zdoom.GZDoom.Debug -y
+flatpak update -y
diff --git a/shared-modules b/shared-modules
index 782d3cc..4bfaef5 160000
--- a/shared-modules
+++ b/shared-modules
@@ -1 +1 @@
-Subproject commit 782d3cc04ccdd8071017f622d4bacd35faecbd86
+Subproject commit 4bfaef549f8b20accacb498fec5da7ad7f6af50f