diff --git a/spack.yaml b/spack.yaml
index d25acda10da06264da07bc85fa484101178fd115..33b81372ef4fa93867a58b12ee9982c97ef864cb 100644
--- a/spack.yaml
+++ b/spack.yaml
@@ -13,4 +13,4 @@ spack:
     - neuron +mpi %gcc@10.3.0
     - py-pynn %gcc@10.3.0 
     # BrainScaleS (plus some constraining)
-    #- visionary-dls-core ^py-setuptools-scm+toml ^python@3.8.0:3.8.999 ^binutils+ld ^py-astroid@2.5.6:2.6.999 ^py-scipy@:1.6.999 %gcc@10.3.0
+    - visionary-dls-core ^py-setuptools-scm+toml ^python@3.8.0:3.8.999 ^binutils+ld ^py-astroid@2.5.6:2.6.999 ^py-scipy@:1.6.999 %gcc@10.3.0