diff --git a/MPI/amrex/files/variants.merlin6 b/MPI/amrex/files/variants.merlin6
index ddd3bae27db338052673f3c6cdeee77921138f16..fe3ecdc6e25ebd2439df16494239ffc49cb58ced 100644
--- a/MPI/amrex/files/variants.merlin6
+++ b/MPI/amrex/files/variants.merlin6
@@ -1,2 +1,2 @@
-amrex/18.07_3d_slurm	unstable	gcc/{7.5.0,8.4.0,9.3.0} openmpi/3.1.6_slurm b:cmake/3.15.5
+amrex/18.07_3d_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/amrex/files/variants.rhel6 b/MPI/amrex/files/variants.rhel6
index e72a26517621baa96e579a42d5ab64094d4c09bf..49c6780e999a787a5f8eba1507516610d324b333 100644
--- a/MPI/amrex/files/variants.rhel6
+++ b/MPI/amrex/files/variants.rhel6
@@ -11,5 +11,5 @@ amrex/18.07_3d	stable		gcc/7.4.0 openmpi/3.1.4 b:cmake/3.10.3
 amrex/18.07_3d	stable		gcc/8.2.0 openmpi/{1.10.7,2.1.5,3.1.3} b:cmake/3.9.6
 amrex/18.07_3d	stable		gcc/{7.3.0,8.2.0} mpich/3.2.1 b:cmake/3.9.6
 
-amrex/18.07_3d	unstable	gcc/{7.5.0,8.4.0,9.3.0} openmpi/3.1.6 b:cmake/3.15.5
+amrex/18.07_3d	stable		gcc/{7.5.0,8.4.0,9.3.0} openmpi/3.1.6 b:cmake/3.15.5