diff --git a/spack.yaml b/spack.yaml
index 6f22736623fcaff27f40367b43460cf56c03b6ad..eaa4d04506d67b82be3582f182d21effe958dc6f 100644
--- a/spack.yaml
+++ b/spack.yaml
@@ -40,7 +40,7 @@ spack:
     - py-neurom@3.2.2
     - py-neuror@1.6.4
     - py-pynn@0.12.3 +mpi
-    - py-pyunicore@1.0.1
+    - py-pyunicore@1.1.1
     - py-quantities-scidash@0.12.4.3
     - py-quantities@0.15.0
     - py-siibra@1.0a9