diff --git a/spack.yaml b/spack.yaml
index 277a154fb40425a4494b19575c860d1b7ecd8a80..f5bc8fb17b433c893ab73c53d072c8a0a79127b7 100644
--- a/spack.yaml
+++ b/spack.yaml
@@ -5,81 +5,81 @@ spack:
     # EBRAINS tools
     - arbor@jusuf-benchmark +python +mpi
     - bm-arbor-euhpc@jusuf-benchmark
-    - py-biobb-analysis@4.1.0
-    - py-biobb-chemistry@4.1.0
-    - py-biobb-common@4.1.0
-    - py-biobb-gromacs@4.1.1
-    - py-biobb-io@4.1.0
-    - py-biobb-model@4.1.0
-    - py-biobb-structure-checking@3.13.4
-    - py-biobb-structure-utils@4.1.0
-    - hxtorch@10.0-a1
+#    - py-biobb-analysis@4.1.0
+#    - py-biobb-chemistry@4.1.0
+#    - py-biobb-common@4.1.0
+#    - py-biobb-gromacs@4.1.1
+#    - py-biobb-io@4.1.0
+#    - py-biobb-model@4.1.0
+#    - py-biobb-structure-checking@3.13.4
+#    - py-biobb-structure-utils@4.1.0
+#    - hxtorch@10.0-a1
     - nest@3.8 +sonata
     - neuron@8.2.3 +mpi
-    - jaxsnn@10.0-a1
-    - py-bluepyefe@2.3.6
-    - py-bluepymm@0.8.7
-    - py-bluepyopt@1.14.18
-    - py-bsb-core@5.0.2
-    - py-bsb-hdf5@5.0.2
-    - py-bsb-yaml@4.2.2
-    - py-bsb-json@4.2.2
-    - py-bsb-nest@4.3.2
-    - py-bsb-neuron@4.2.2
-    - py-cobrawap@0.2.1
-    - py-ebrains-drive@0.6.0
-    - py-ebrains-kg-core@0.9.15
-    - py-ebrains-validation-client@0.9.1
-    - py-efel@5.2.0
-    - py-elephant@1.1.1
-    - py-fairgraph@0.12.1
-    - py-frites@0.4.4
-    - py-hbp-archive@1.1.1
-    - py-hbp-neuromorphic-platform@0.11.2
-    - py-hbp-validation-client@0.9.0
-    - py-hippounit@1.4.1
-    - py-lfpy@2.3
-    - py-lfpykit@0.5.1
-    - py-libneuroml@0.4.1
-    - py-libsonata@0.1.23
-    - py-neo@0.13.3
-    - py-nestml@8.0.0
-    - py-netpyne@1.0.6
-    - py-neurom@3.2.4
-    - py-neuror@1.6.4
-    - py-pynn@0.12.3 +mpi
-    - py-pyunicore@1.1.1
-    - py-quantities-scidash@0.12.4.3
-    - py-quantities@0.16.0
-    - py-siibra@1.0a9
-    - py-snudda@2.1.10
-    - py-spynnaker@7.3.0
-    - py-tvb-framework@2.9
-    - py-tvb-contrib@2.9.1
-    - py-tvb-library@2.9.2
-    - py-tvb-multiscale@2.1.0.ebrains
-    - py-tvb-widgets@2.1.0
-    - py-tvb-ext-bucket
-    - py-tvb-ext-unicore
-    - py-tvb-ext-xircuits@1.1.0
-    - py-viziphant@0.4.0
-    - py-vbi@0.1.3.3
-    - pynn-brainscales@10.0-a1
-    - r-rgsl@0.1.1
-    - r-sbtabvfgen@0.1
-    - r-uqsa@2.2
-    - sda@7.3.3d
-    # Workflows (meta-packages)
-    - wf-biobb
-    - wf-brainscales2-demos@10.0-a1
-    - wf-bsb@4.4 +nest +neuron
-    - wf-protein-association-rates@0.1
-    - wf-multi-area-model@1.2.0
-    - wf-human-multi-area-model@2.0.1
-    - wf-uq-akar4@0.1
-    - wf-custom-python@0.1
-    #- py-cerebstats
-    #- py-cerebunit
-    #- py-morphounit@1.0.4
+#    - jaxsnn@10.0-a1
+#    - py-bluepyefe@2.3.6
+#    - py-bluepymm@0.8.7
+#    - py-bluepyopt@1.14.18
+#    - py-bsb-core@5.0.2
+#    - py-bsb-hdf5@5.0.2
+#    - py-bsb-yaml@4.2.2
+#    - py-bsb-json@4.2.2
+#    - py-bsb-nest@4.3.2
+#    - py-bsb-neuron@4.2.2
+#    - py-cobrawap@0.2.1
+#    - py-ebrains-drive@0.6.0
+#    - py-ebrains-kg-core@0.9.15
+#    - py-ebrains-validation-client@0.9.1
+#    - py-efel@5.2.0
+#    - py-elephant@1.1.1
+#    - py-fairgraph@0.12.1
+#    - py-frites@0.4.4
+#    - py-hbp-archive@1.1.1
+#    - py-hbp-neuromorphic-platform@0.11.2
+#    - py-hbp-validation-client@0.9.0
+#    - py-hippounit@1.4.1
+#    - py-lfpy@2.3
+#    - py-lfpykit@0.5.1
+#    - py-libneuroml@0.4.1
+#    - py-libsonata@0.1.23
+#    - py-neo@0.13.3
+#    - py-nestml@8.0.0
+#    - py-netpyne@1.0.6
+#    - py-neurom@3.2.4
+#    - py-neuror@1.6.4
+#    - py-pynn@0.12.3 +mpi
+#    - py-pyunicore@1.1.1
+#    - py-quantities-scidash@0.12.4.3
+#    - py-quantities@0.16.0
+#    - py-siibra@1.0a9
+#    - py-snudda@2.1.10
+#    - py-spynnaker@7.3.0
+#    - py-tvb-framework@2.9
+#    - py-tvb-contrib@2.9.1
+#    - py-tvb-library@2.9.2
+#    - py-tvb-multiscale@2.1.0.ebrains
+#    - py-tvb-widgets@2.1.0
+#    - py-tvb-ext-bucket
+#    - py-tvb-ext-unicore
+#    - py-tvb-ext-xircuits@1.1.0
+#    - py-viziphant@0.4.0
+#    - py-vbi@0.1.3.3
+#    - pynn-brainscales@10.0-a1
+#    - r-rgsl@0.1.1
+#    - r-sbtabvfgen@0.1
+#    - r-uqsa@2.2
+#    - sda@7.3.3d
+#    # Workflows (meta-packages)
+#    - wf-biobb
+#    - wf-brainscales2-demos@10.0-a1
+#    - wf-bsb@4.4 +nest +neuron
+#    - wf-protein-association-rates@0.1
+#    - wf-multi-area-model@1.2.0
+#    - wf-human-multi-area-model@2.0.1
+#    - wf-uq-akar4@0.1
+#    - wf-custom-python@0.1
+#    #- py-cerebstats
+#    #- py-cerebunit
+#    #- py-morphounit@1.0.4
   concretizer:
     unify: true