diff --git a/Compiler/mpich/3/variants b/Compiler/mpich/3/variants
index b2d7850..22f9e8b 100644
--- a/Compiler/mpich/3/variants
+++ b/Compiler/mpich/3/variants
@@ -1 +1,3 @@
+mpich/3.2.1	stable		gcc/6.4.0
+mpich/3.2.1	stable		gcc/7.3.0
 mpich/3.2.1	unstable	intel/17.4