diff --git a/.github/workflows/desktop.publish.yml b/.github/workflows/desktop.publish.yml
index e5da898f4..7804f139b 100644
--- a/.github/workflows/desktop.publish.yml
+++ b/.github/workflows/desktop.publish.yml
@@ -99,6 +99,7 @@ jobs:
       - name: Generate flatpak sources
         if: inputs.publish-github && inputs.build-linux
         run: |
+          sudo apt-get update
           sudo apt-get install -y --quiet flatpak flatpak-builder pipx
           git clone https://github.com/flatpak/flatpak-builder-tools.git /tmp/flatpak-builder-tools
           cd /tmp/flatpak-builder-tools/node