diff --git a/.github/workflows/release-tamagotchi.yml b/.github/workflows/release-tamagotchi.yml
index 53e70c47d..3dc90b94a 100644
--- a/.github/workflows/release-tamagotchi.yml
+++ b/.github/workflows/release-tamagotchi.yml
@@ -141,13 +141,15 @@ jobs:
           sudo apt update
           sudo apt install -y flatpak flatpak-builder elfutils
           flatpak --version
-          flatpak --user remote-add --if-not-exists flathub https://flathub.org/repo/flathub.flatpakrepo
+          flatpak --user remote-add --if-not-exists flathub https://dl.flathub.org/repo/flathub.flatpakrepo
 
       - name: Build Flatpak (Linux Only) # Flatpak
         if: ${{ matrix.os == 'ubuntu-latest' || matrix.os == 'ubuntu-24.04-arm' }}
         working-directory: ./apps/stage-tamagotchi
         run: |
-          flatpak-builder ./flatpak ai.moeru.airi.flatpak.yml --force-clean
+          mkdir -p bundle
+          # Auto-install required SDK/Platform/BaseApp from Flathub in user scope
+          flatpak-builder --user --install-deps-from=flathub ./flatpak ai.moeru.airi.flatpak.yml --force-clean
           flatpak build-export ./flatpak-repo ./flatpak
           flatpak build-bundle ./flatpak-repo bundle/ai.moeru.airi-${{ matrix.arch }}.flatpak ai.moeru.airi
           echo "FLATPAK_BUNDLE_NAME=ai.moeru.airi-${{ matrix.arch }}.flatpak" >> $GITHUB_ENV