diff --git a/spack-environment/cuda/spack.yaml b/spack-environment/cuda/spack.yaml
index 6fa30c91fb0e348467e47b037c502b2d4a96953f..f92e28bd7001d7f79312277917aa7bd44b55c5c8 100644
--- a/spack-environment/cuda/spack.yaml
+++ b/spack-environment/cuda/spack.yaml
@@ -93,7 +93,7 @@ spack:
   - py-uproot
   - py-wurlitzer
   - py-yapf
-  - root +opengl +webgui +x
+  - root +opengl +webgui +x +cuda cuda_arch=75
   - snakemake
   - spdlog
   - stow