diff --git a/sdk/automated/test-flatpak-demo.sh b/sdk/automated/test-flatpak-demo.sh
index 218ed9c3d15e7d50da5b7ca7e92841c53ff050e0..b326082353eaf6eb8dc0741103b7b13371f8e80a 100755
--- a/sdk/automated/test-flatpak-demo.sh
+++ b/sdk/automated/test-flatpak-demo.sh
@@ -7,7 +7,7 @@ trap 'echo ; echo flatpak-demo-test: fail' ERR
 flatpak --user remote-add --if-not-exists --no-gpg-verify apertis-runtime https://images.apertis.org/flatpak/runtime
 flatpak --user remote-add --if-not-exists --no-gpg-verify apertis-app https://images.apertis.org/flatpak/app
 
-flatpak install -y apertis-app org.apertis.demo.curl
+flatpak install -y apertis-app org.apertis.demo.curl//v2021pre
 
 flatpak run --share=network org.apertis.demo.curl https://www.apertis.org