diff --git a/.github/workflows/flatpak-nightly.yml b/.github/workflows/flatpak-nightly.yml
index 02d661a5..ce7630c0 100644
--- a/.github/workflows/flatpak-nightly.yml
+++ b/.github/workflows/flatpak-nightly.yml
@@ -29,8 +29,8 @@ jobs:
         platforms: arm64
     - name: Prepare Runtime
       run: |
-        flatpak --system install -y --noninteractive flathub org.freedesktop.Sdk.Extension.rust-nightly/${{ matrix.arch }}/21.08
-        flatpak --system install -y --noninteractive flathub org.freedesktop.Sdk.Extension.llvm13/${{ matrix.arch }}/21.08
+        flatpak --system install -y --noninteractive flathub org.freedesktop.Sdk.Extension.rust-nightly/${{ matrix.arch }}/22.08
+        flatpak --system install -y --noninteractive flathub org.freedesktop.Sdk.Extension.llvm14/${{ matrix.arch }}/22.08
     - uses: bilelmoussaoui/flatpak-github-actions/flatpak-builder@v4
       name: Build
       with:
diff --git a/pkgs/flatpak/com.github.rafostar.Clapper-nightly.json b/pkgs/flatpak/com.github.rafostar.Clapper-nightly.json
index 861518b6..12150f27 100644
--- a/pkgs/flatpak/com.github.rafostar.Clapper-nightly.json
+++ b/pkgs/flatpak/com.github.rafostar.Clapper-nightly.json
@@ -5,7 +5,7 @@
     "sdk": "org.gnome.Sdk",
     "sdk-extensions": [
         "org.freedesktop.Sdk.Extension.rust-nightly",
-        "org.freedesktop.Sdk.Extension.llvm13"
+        "org.freedesktop.Sdk.Extension.llvm14"
     ],
     "command": "com.github.rafostar.Clapper",
     "finish-args": [
@@ -25,14 +25,11 @@
         "--env=GST_PLUGIN_SYSTEM_PATH=/app/lib/gstreamer-1.0"
     ],
     "build-options": {
-        "append-path": "/usr/lib/sdk/rust-nightly/bin:/usr/lib/sdk/llvm13/bin",
-        "prepend-ld-library-path": "/usr/lib/sdk/llvm13/lib"
+        "append-path": "/usr/lib/sdk/rust-nightly/bin:/usr/lib/sdk/llvm14/bin",
+        "prepend-ld-library-path": "/usr/lib/sdk/llvm14/lib"
     },
     "modules": [
         "flathub/shared-modules/gudev/gudev.json",
-        "flathub/lib/libsass.json",
-        "flathub/lib/sassc.json",
-        "flathub/lib/libadwaita.json",
         "flathub/lib/liba52.json",
         "flathub/lib/libmpeg2.json",
         "flathub/lib/libdv.json",
diff --git a/pkgs/flatpak/testing/gst-plugins-rs.json b/pkgs/flatpak/testing/gst-plugins-rs.json
index d4430b51..b770cfd3 100644
--- a/pkgs/flatpak/testing/gst-plugins-rs.json
+++ b/pkgs/flatpak/testing/gst-plugins-rs.json
@@ -1,6 +1,9 @@
 {
     "name": "gst-plugins-rs",
     "buildsystem": "simple",
+    "only-arches": [
+        "x86_64"
+    ],
     "build-options": {
         "build-args": [
             "--share=network"