diff --git a/spack-environment/cuda/spack.yaml b/spack-environment/cuda/spack.yaml
index 7775b1ca..26fca203 100644
--- a/spack-environment/cuda/spack.yaml
+++ b/spack-environment/cuda/spack.yaml
@@ -50,6 +50,7 @@ spack:
   - npsim
   - onnx
   - opencascade
+  - optix-dev
   - osg-ca-certs
   - phonebook-cli
   - podio