diff --git a/spack.yaml b/spack.yaml
index e91a97da39c99b840e4682c74793f41d9197081c..bceab47a2de2a5efcddae8f5da7f94c05578ba55 100644
--- a/spack.yaml
+++ b/spack.yaml
@@ -28,7 +28,7 @@ spack:
     - py-formencode %gcc@10.3.0
     - tvb-framework ^binutils+ld+gold %gcc@10.3.0
     - meta-brainscales %gcc@10.3.0
-    #- pynn-brainscales@1.0-rc2 ^log4cxx@0.10.0 ^googletest@1.11.0:+gmock %gcc@10.3.0
+    - pynn-brainscales@2.0-rc0 ^log4cxx@0.10.0 ^googletest@1.11.0:+gmock %gcc@10.3.0
     # demo for codejam12
     - funniest1022 %gcc@10.3.0
     # NRP