diff --git a/org.zdoom.GZDoom.appdata.xml b/org.zdoom.GZDoom.appdata.xml
index 6e55ac4..1727501 100644
--- a/org.zdoom.GZDoom.appdata.xml
+++ b/org.zdoom.GZDoom.appdata.xml
@@ -78,6 +78,11 @@
     </screenshots>
 
     <releases>
+        <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/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 f390979..afc5d6d 160000
--- a/shared-modules
+++ b/shared-modules
@@ -1 +1 @@
-Subproject commit f3909792316d1f7fc82052ee631cffedd08f6a2a
+Subproject commit afc5d6d64ca5685a8b9f24362a3cf0f55dc3aeba