diff --git a/spack.yaml b/spack.yaml
index 9fce7ff124db91a268f8673b9cc58597eeee8329..9fc9e2c3f6737948b11f1ce1e7bfa127eb2be5f5 100644
--- a/spack.yaml
+++ b/spack.yaml
@@ -15,6 +15,7 @@ spack:
     - hxtorch@8.0-a3
     - nest@3.7_rc1 +sonata
     - neuron@8.2.3 +mpi
+    - jaxsnn@8.0-a3
     - py-bluepyefe@2.2.18
     - py-bluepymm@0.7.65
     - py-bluepyopt@1.13.86