diff --git a/MPI/hdf5/files/variants.merlin6 b/MPI/hdf5/files/variants.merlin6
index 87c0ffa..9f0ad0b 100644
--- a/MPI/hdf5/files/variants.merlin6
+++ b/MPI/hdf5/files/variants.merlin6
@@ -1,3 +1,4 @@
 hdf5/1.10.6_slurm       stable	gcc/{7.5.0,8.4.0,9.3.0} openmpi/3.1.6_slurm
 hdf5/1.10.7_slurm       stable	gcc/10.3.0 openmpi/4.0.5-1_slurm
+hdf5/1.10.8_slurm     unstable	gcc/10.4.0 openmpi/4.1.4_slurm
 hdf5/1.13.1_slurm     unstable	gcc/11.2.0 openmpi/4.1.3_slurm