diff --git a/.gitea/workflows/build-isos.yaml b/.gitea/workflows/build-isos.yaml
index c3db84f..0efa4fc 100644
--- a/.gitea/workflows/build-isos.yaml
+++ b/.gitea/workflows/build-isos.yaml
@@ -11,5 +11,5 @@ jobs:
         - /srv/vapps/gitea-rootless/volumes/test:/data
     steps:
       - run: echo "🎉 The job was automatically triggered by a ${{ github.event_name }} event."
-      - run: apt-get install live-build
+      - run: apt-get update; apt-get install live-build
       - run: lb build