diff --git a/build-containers.sh b/build-containers.sh
index acf2759..912f3e6 100755
--- a/build-containers.sh
+++ b/build-containers.sh
@@ -10,6 +10,9 @@ for container in "$BASEDIR"/Containerfile.*; do
 done
 
 # extra container tags and pushes for things that we don’t build, but need
+podman pull data.forgejo.org/oci/alpine:latest
+podman pull ghcr.io/catthehacker/ubuntu:act-24.04
+
 podman tag data.forgejo.org/oci/alpine:latest git.ctbk.de/infra/alpine:latest
 podman tag ghcr.io/catthehacker/ubuntu:act-24.04 git.ctbk.de/infra/ubuntu:act-24.04