diff --git a/spack.yaml b/spack.yaml
index 6d11dbecaf743b77e997b05dad4200247754bcb3..96c97350fd2d5222c23d946284e5ad1ee5245ffd 100644
--- a/spack.yaml
+++ b/spack.yaml
@@ -26,4 +26,4 @@ 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 %gcc@10.3.0
+    - pynn-brainscales@1.0-rc2 ^googletest@1.11.0:+gmock %gcc@10.3.0