diff --git a/Compiler/hdf5_serial/files/variants.Linux b/Compiler/hdf5_serial/files/variants.rhel6
similarity index 96%
rename from Compiler/hdf5_serial/files/variants.Linux
rename to Compiler/hdf5_serial/files/variants.rhel6
index f52d0bc27fea8d5b5c8d014a069f37f29d568706..579049573ab1e840712a6088022fd4b5d14fd8c1 100644
--- a/Compiler/hdf5_serial/files/variants.Linux
+++ b/Compiler/hdf5_serial/files/variants.rhel6
@@ -46,3 +46,5 @@ hdf5_serial/1.10.4	stable		pgi/18.5
 hdf5_serial/1.10.5	stable		gcc/{5.5.0,6.4.0,6.5.0,7.3.0,7.4.0,8.2.0,8.3.0}
 hdf5_serial/1.10.5	stable		intel/{18.4,19.3}
 hdf5_serial/1.10.5	stable		pgi/18.5
+
+hdf5_serial/1.10.6	unstable	gcc/{7.5.0,8.4.0,9.3.0,10.2.0}