diff --git a/spack-environment/dev/spack.yaml b/spack-environment/dev/spack.yaml
index 8b1125400eebba63c46cf13782c9cad4172204ec..8ce7ed5ee2df74139d685b6ccedfb733da0b0bcd 100644
--- a/spack-environment/dev/spack.yaml
+++ b/spack-environment/dev/spack.yaml
@@ -67,6 +67,7 @@ spack:
   - py-mplhep
   - py-htgettoken
   - py-numpy
+  - py-onnxruntime
   - py-pandas
   - py-pip
   - py-pre-commit