diff --git a/HDF5/trilinos/files/variants.rhel6 b/HDF5/trilinos/files/variants.rhel6
index ee61ecc..2dac5f5 100644
--- a/HDF5/trilinos/files/variants.rhel6
+++ b/HDF5/trilinos/files/variants.rhel6
@@ -18,4 +18,5 @@ trilinos/12.18.1	stable		gcc/{7.5.0,8.4.0,9.3.0,10.1.0} openmpi/3.1.6  hdf5/1.10
 
 trilinos/13.0.1		stable		gcc/{7.5.0,8.4.0,9.3.0,10.3.0} openmpi/4.0.5  hdf5/1.10.7 b:cmake/3.15.5 b:OpenBLAS/0.3.15 b:parmetis/4.0.3 
 trilinos/13.0.1		stable		gcc/10.4.0 openmpi/4.1.4  hdf5/1.10.8 b:cmake/3.15.5 b:OpenBLAS/0.3.21 b:parmetis/4.0.3 
+trilinos/13.4.0		unstable	gcc/{9.5.0,10.4.0,11.4.0,12.3.0} openmpi/4.1.5  hdf5/1.10.8 b:cmake/3.20.5 b:OpenBLAS/0.3.23 b:parmetis/4.0.3