diff --git a/share/spack/gitlab/cloud_pipelines/stacks/e4s/spack.yaml b/share/spack/gitlab/cloud_pipelines/stacks/e4s/spack.yaml
index d1d11db10be..09b26f8c3ff 100644
--- a/share/spack/gitlab/cloud_pipelines/stacks/e4s/spack.yaml
+++ b/share/spack/gitlab/cloud_pipelines/stacks/e4s/spack.yaml
@@ -126,6 +126,7 @@ spack:
   - plumed
   - precice
   - pumi
+  - py-h5py
   - py-jupyterhub
   - py-libensemble +mpi +nlopt
   - py-petsc4py