diff --git a/packages/wf-brainscales2-demos/package.py b/packages/wf-brainscales2-demos/package.py
index 914fa180f7c3828d4c238b191d40d9f100f2ffe9..452f1a6dd1132be92c1a75684d5c111ea64ca02c 100644
--- a/packages/wf-brainscales2-demos/package.py
+++ b/packages/wf-brainscales2-demos/package.py
@@ -17,6 +17,7 @@ class WfBrainscales2Demos(Package):
     maintainer = ["muffgaga"]
 
     # ECM: we probably should build the ipynb file in this package
+    version("8.0-a4", tag="jupyter-notebooks-8.0-a4")
     version("7.0-rc1-fixup3", tag="jupyter-notebooks-7.0-rc1-fixup3")
     version("23.6", branch="jupyter-notebooks-experimental")