diff --git a/spack-environment/dev/spack.yaml b/spack-environment/dev/spack.yaml
index 6821d66ec964cba87cac76152e7502949ebc5534..20b3f312fbe989f7492c177babcd7aba68137515 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