diff --git a/spack-environment/dev/spack.yaml b/spack-environment/dev/spack.yaml
index 230fa067a16841aedc5b043e43804ebd4ae1537e..a308fc493870b28c0aa84828461492b3e8c4774c 100644
--- a/spack-environment/dev/spack.yaml
+++ b/spack-environment/dev/spack.yaml
@@ -74,6 +74,7 @@ spack:
   - py-scipy
   - py-seaborn
   - py-toml
+  - py-torch
   - py-uproot
   - py-wurlitzer
   - py-yapf