diff --git a/MPI/boost/files/variants.merlin6 b/MPI/boost/files/variants.merlin6
index 4bf12e7..b4eae04 100644
--- a/MPI/boost/files/variants.merlin6
+++ b/MPI/boost/files/variants.merlin6
@@ -1,4 +1,5 @@
 boost/1.70.0_slurm         stable	gcc/{7.5.0,8.4.0,9.3.0} openmpi/3.1.6_slurm b:zlib/1.2.11
 boost/1.73.0_slurm         stable	gcc/{7.5.0,8.4.0,9.3.0} openmpi/3.1.6_slurm b:zlib/1.2.11
 boost/1.73.0_slurm         unstable	gcc/{7.5.0,8.4.0,9.3.0} openmpi/4.0.5_slurm b:zlib/1.2.11
+boost/1.73.0-1_slurm       unstable	gcc/{8.4.0,9.3.0,10.2.0} openmpi/4.0.5-1_slurm b:zlib/1.2.11