diff --git a/MPI/trilinos/12/variants b/MPI/trilinos/12/variants
index b607d06..f8984d6 100644
--- a/MPI/trilinos/12/variants
+++ b/MPI/trilinos/12/variants
@@ -12,4 +12,7 @@ trilinos/12.10.1	stable		gcc/6.2.0 openmpi/1.10.4 b:cmake/3.6.3 b:OpenBLAS/0.2.1
 
 trilinos/12.10.1-1	unstable	gcc/5.4.0 openmpi/1.10.4 hdf5/1.8.18 b:cmake/3.6.3 b:OpenBLAS/0.2.19 b:parmetis/4.0.3 
 trilinos/12.10.1-2	unstable	gcc/5.4.0 openmpi/1.10.4 hdf5/1.8.18 b:cmake/3.6.3 b:OpenBLAS/0.2.19 b:parmetis/4.0.3 
+
 trilinos/12.10.1-1	unstable	gcc/6.2.0 openmpi/1.10.4 hdf5/1.8.18 b:cmake/3.6.3 b:OpenBLAS/0.2.19 b:parmetis/4.0.3 
+
+trilinos/12.12.1	unstable	gcc/7.3.0 openmpi/1.10.7 hdf5/1.10.1 b:cmake/3.6.3 b:OpenBLAS/0.2.20 b:parmetis/4.0.3 
diff --git a/MPI/trilinos/12/variants.Darwin b/MPI/trilinos/12/variants.Darwin
index d706b26..6fece91 100644
--- a/MPI/trilinos/12/variants.Darwin
+++ b/MPI/trilinos/12/variants.Darwin
@@ -8,3 +8,5 @@ trilinos/12.10.1	unstable	gcc/4.9.4 openmpi/1.10.4 b:cmake/3.6.3 b:OpenBLAS/0.2.
 trilinos/12.10.1	unstable	gcc/5.4.0 openmpi/1.10.4 b:cmake/3.6.3 b:OpenBLAS/0.2.19 b:parmetis/4.0.3 
 trilinos/12.10.1-1	unstable	gcc/5.4.0 openmpi/1.10.4 b:cmake/3.6.3 b:parmetis/4.0.3 
 trilinos/12.10.1	unstable	gcc/6.2.0 openmpi/1.10.4 b:cmake/3.6.3 b:OpenBLAS/0.2.19 b:parmetis/4.0.3 
+
+trilinos/12.12.1	unstable	gcc/7.3.0 openmpi/1.10.7 hdf5/1.10.1 b:cmake/3.6.3 b:OpenBLAS/0.2.20 b:parmetis/4.0.3