diff --git a/MPI/parmetis/files/variants.merlin6 b/MPI/parmetis/files/variants.merlin6
index a060ecce2908701cd9a8da1ecc2e58fb7a5a6f19..f85d54d3a0a593f0ddb9d7d32e678cb6b0bf4510 100644
--- a/MPI/parmetis/files/variants.merlin6
+++ b/MPI/parmetis/files/variants.merlin6
@@ -1,2 +1,2 @@
-parmetis/4.0.3_slurm	unstable	gcc/{7.5.0,8.4.0,9.3.0} openmpi/3.1.6_slurm b:cmake/3.15.5
+parmetis/4.0.3_slurm	stable	gcc/{7.5.0,8.4.0,9.3.0} openmpi/3.1.6_slurm b:cmake/3.15.5
 
diff --git a/MPI/parmetis/files/variants.rhel6 b/MPI/parmetis/files/variants.rhel6
index a3708960b2af40291eff1d5656277d3d08c4b27b..15e04a72a6d3a1d8b7470445957d113326a25555 100644
--- a/MPI/parmetis/files/variants.rhel6
+++ b/MPI/parmetis/files/variants.rhel6
@@ -22,4 +22,4 @@ parmetis/4.0.3	stable		intel/17.4 openmpi/{1.10.7,2.1.2,3.0.0} b:cmake/3.6.3
 
 parmetis/4.0.3	stable		gcc/7.3.0 mpich/3.3  b:cmake/3.9.6
 
-parmetis/4.0.3	unstable	gcc/{7.5.0,8.4.0,9.3.0,10.1.0} openmpi/3.1.6 b:cmake/3.9.6
+parmetis/4.0.3	stable		gcc/{7.5.0,8.4.0,9.3.0,10.1.0} openmpi/3.1.6 b:cmake/3.9.6