diff --git a/.github/workflows/cooker.yml b/.github/workflows/cooker.yml
index 129d77b0..c0d37773 100644
--- a/.github/workflows/cooker.yml
+++ b/.github/workflows/cooker.yml
@@ -28,6 +28,9 @@ jobs:
       # Runs a set of commands using the runners shell
       - name: Build flatpak
         run: |
+          sudo apt install flatpak flatpak-builder
+          flatpak remote-add --if-not-exists flathub https://flathub.org/repo/flathub.flatpakrepo
+          flatpak install -y org.kde.Sdk//5.15-21.08 org.kde.Platform//5.15-21.08
           sudo flatpak-builder --user --install --force-clean retrodeck-flatpak com.xargon.retrodeck.yml
           sudo flatpak-builder --repo=local --force-clean localrepo com.xargon.retrodeck.yml
           sudo flatpak build-bundle local RetroDECK.flatpak com.xargon.retrodeck