diff --git a/Compiler/openmpi/files/variants.merlin6 b/Compiler/openmpi/files/variants.merlin6
index 5da50c3..1532aea 100644
--- a/Compiler/openmpi/files/variants.merlin6
+++ b/Compiler/openmpi/files/variants.merlin6
@@ -18,9 +18,9 @@ openmpi/3.1.6_slurm     stable     intel/{15.2,17.4,18.4,20.1}
 openmpi/4.0.4_slurm     stable     gcc/{4.9.4,5.5.0,6.5.0,7.5.0,8.4.0,9.3.0}
 openmpi/4.0.4_slurm     stable     intel/{15.2,17.4,18.4,20.1}
 
-openmpi/3.1.6_slurm     unstable   intel/20.4 cuda/11.1.0
+openmpi/3.1.6_slurm     stable     intel/20.4 cuda/11.1.0
 
-openmpi/4.0.5_slurm     unstable   gcc/{8.4.0,9.3.0} cuda/11.1.0
-openmpi/4.0.5_slurm     unstable   intel/20.4 cuda/11.1.0
+openmpi/4.0.5_slurm     stable     gcc/{8.4.0,9.3.0} cuda/11.1.0
+openmpi/4.0.5_slurm     stable     intel/20.4 cuda/11.1.0
 
 openmpi/4.0.4_slurm_libpmix unstable gcc/9.3.0