diff --git a/MPI/lammps/2018/variants b/MPI/lammps/2018/variants
index 04afffc..481a8b3 100644
--- a/MPI/lammps/2018/variants
+++ b/MPI/lammps/2018/variants
@@ -1,3 +1,3 @@
 lammps/2018.3          unstable  gcc/7.3.0 openmpi/3.0.1
-lammps/2018.3_merlin	 unstable	 gcc/8.2.0 openmpi/3.1.1 b:cmake/3.9.6
-lammps/2018.11_merlin  unstable  gcc/8.2.0 openmpi/3.1.1 Python/2.7.14 b:cmake/3.9.6
+lammps/2018.3_merlin   unstable	 gcc/8.2.0 openmpi/3.1.1 b:cmake/3.9.6
+lammps/2018.11_merlin  stable    gcc/8.2.0 openmpi/3.1.1 Python/2.7.14 b:cmake/3.9.6