diff --git a/spack-environment/dev/spack.yaml b/spack-environment/dev/spack.yaml
index 230fa067a16841aedc5b043e43804ebd4ae1537e..2aed13f198699941b5e06438c325577a3911d3a8 100644
--- a/spack-environment/dev/spack.yaml
+++ b/spack-environment/dev/spack.yaml
@@ -66,6 +66,7 @@ spack:
   - py-mplhep
   - py-htgettoken
   - py-numpy
+  - py-onnxruntime
   - py-pandas
   - py-pip
   - py-pre-commit