diff --git a/spack.yaml b/spack.yaml
index 28faf98c78b6878f7df88806ae23b04156fb9bdb..ab6e6c426f11465b36d3c9e0e27c2357e92c511a 100644
--- a/spack.yaml
+++ b/spack.yaml
@@ -12,7 +12,7 @@ spack:
     - biobb-model@4.0.0
     - biobb-structure-checking@3.12.1
     - biobb-structure-utils@4.0.0
-    - hxtorch@7.0-rc1
+    - hxtorch@7.0-rc1-fixup1
     - nest@3.6 +sonata
     - neuron@8.2.3 +mpi
     - py-bluepyefe@2.2.18
@@ -52,7 +52,7 @@ spack:
     - py-tvb-multiscale@2.1.0.ebrains
     - py-tvb-storage@2.8.1
     - py-viziphant@0.3.0
-    - pynn-brainscales@7.0-rc1
+    - pynn-brainscales@7.0-rc1-fixup1
     - r-rgsl@0.1.1
     - r-sbtabvfgen@0.1
     - r-uqsa@2.2