diff --git a/spack.yaml b/spack.yaml
index dd0c326ca4884f3d778b3d39d8ea8251d99e9f06..cbd61944346648fdaed74f83bc3df664d9c3db17 100644
--- a/spack.yaml
+++ b/spack.yaml
@@ -30,7 +30,7 @@ spack:
     - tvb-framework ^binutils+ld+gold
     - pynn-brainscales@2.0-rc1 ^log4cxx@0.10.0 ^googletest@1.11.0:+gmock
     - py-neo
-    #- oppulance@2.0-rc1
+    - oppulance@2.0-rc2
     #- py-cerebstats
     #- py-cerebunit
     - py-cerebrus