diff --git a/.gitmodules b/.gitmodules
new file mode 100644
index 0000000..7e4e711
--- /dev/null
+++ b/.gitmodules
@@ -0,0 +1,3 @@
+[submodule "flatpak/content/shared-submodules"]
+	path = flatpak/content/shared-submodules
+	url = https://github.com/flathub/shared-modules.git
diff --git a/flatpak/content/io.gitlab.LibreWolf.json b/flatpak/content/io.gitlab.LibreWolf.json
index 090d4bc..984053c 100644
--- a/flatpak/content/io.gitlab.LibreWolf.json
+++ b/flatpak/content/io.gitlab.LibreWolf.json
@@ -5,6 +5,7 @@
     "sdk": "org.gnome.Sdk",
     "command": "librewolf",
     "modules": [
+        "shared-modules/gtk2/gtk2.json",
         {
             "name": "librewolf",
             "buildsystem": "simple",
@@ -23,6 +24,16 @@
     "finish-args": [
         "--share=ipc",
         "--socket=x11",
+        "--socket=pulseaudio",
+        "--persist=.librewolf",
+        "--filesystem=xdg-download:rw",
+        "--device=all",
+        "--talk-name=org.freedesktop.FileManager1",
+        "--system-talk-name=org.freedesktop.NetworkManager",
+        "--talk-name=org.a11y.Bus",
+        "--talk-name=org.gnome.SessionManager",
+        "--talk-name=org.freedesktop.ScreenSaver",
+        "--talk-name=\"org.gtk.vfs.*\"",
         "--socket=wayland",
         "--filesystem=home:rw",
         "--share=network"
diff --git a/flatpak/content/shared-submodules b/flatpak/content/shared-submodules
new file mode 160000
index 0000000..8ce6437
--- /dev/null
+++ b/flatpak/content/shared-submodules
@@ -0,0 +1 @@
+Subproject commit 8ce6437c269ef28c49984c11246d27be433c21d5