diff --git a/.ci-helpers/download_reference_data.sh b/.ci-helpers/download_reference_data.sh
index d1167f0bedd..63a2f3319e2 100644
--- a/.ci-helpers/download_reference_data.sh
+++ b/.ci-helpers/download_reference_data.sh
@@ -12,7 +12,8 @@ FILES=('atom_data/kurucz_cd23_chianti_H_He.h5'
        'sdec_ref.h5'
        'unit_test_data.h5'
        'arepo_data/arepo_snapshot.hdf5'
-       'arepo_data/arepo_snapshot.json')
+       'arepo_data/arepo_snapshot.json'
+       'nlte_atom_data/TestNLTE_He_Ti.h5')
 
 mkdir -p $REF_PATH/atom_data
 mkdir -p $REF_PATH/arepo_data