diff --git a/packages/hxtorch/package.py b/packages/hxtorch/package.py
index 7d3a26bf0a69a91251374cc9d56ea8cb8dc82a67..a74813aafb9492769f6027cef5f276f7abf612d5 100644
--- a/packages/hxtorch/package.py
+++ b/packages/hxtorch/package.py
@@ -79,6 +79,7 @@ class Hxtorch(build_brainscales.BuildBrainscales):
         ('py-torch@1.9.1:', { "type": ('build', 'link', 'run', 'test') } ),
         ('py-torchvision', { "type": ('run') } ), # for demos
         ('py-pyyaml', { "type": ('build', 'link', 'run') } ),
+        ('py-quantities@0.12.1:', { "type": ('build', 'link', 'run') } ), # PyNN-like interfacing of things?
         ('py-scipy', { "type": ('build', 'link', 'run') } ),
         ('py-sqlalchemy', { "type": ('build', 'link', 'run') } ),
         ('util-linux', { "type": ('build', 'link', 'run') } ),