diff --git a/Compiler/boost/1/variants b/Compiler/boost/1/variants
index c0ecaab..59120c3 100644
--- a/Compiler/boost/1/variants
+++ b/Compiler/boost/1/variants
@@ -16,3 +16,4 @@ boost/1.62.0         stable	gcc/4.9.4 Python/2.7.12
 boost/1.62.0         stable	gcc/5.4.0 Python/2.7.12 
 boost/1.62.0         stable	gcc/6.2.0 Python/2.7.12 
 boost/1.62.0         unstable	gcc/6.3.0 Python/2.7.12 
+boost/1.63.0         stable     gcc/6.3.0 Python/2.7.12
diff --git a/Compiler/openmpi/2.0/variants.Linux b/Compiler/openmpi/2.0/variants.Linux
index 507b806..1992f09 100644
--- a/Compiler/openmpi/2.0/variants.Linux
+++ b/Compiler/openmpi/2.0/variants.Linux
@@ -4,5 +4,6 @@ openmpi/2.0.1   stable		gcc/4.8.5
 openmpi/2.0.1   stable		gcc/4.9.4
 openmpi/2.0.1   stable		gcc/5.4.0
 openmpi/2.0.1   stable		gcc/6.2.0
+openmpi/2.0.1	stable		gcc/6.3.0
 
 openmpi/2.0.0	stable		intel/16.3
diff --git a/Libraries/gmp/6/variants b/Libraries/gmp/6/variants
index c23f150..0f82ba5 100644
--- a/Libraries/gmp/6/variants
+++ b/Libraries/gmp/6/variants
@@ -1,3 +1,4 @@
 gmp/6.0.0	stable	
 gmp/6.1.0	stable	
 gmp/6.1.1	stable	
+gmp/6.1.2	stable
diff --git a/Libraries/mpfr/3/variants b/Libraries/mpfr/3/variants
index 58f0e6e..35b0212 100644
--- a/Libraries/mpfr/3/variants
+++ b/Libraries/mpfr/3/variants
@@ -2,3 +2,4 @@ mpfr/3.1.2	stable		b:gmp/5.1.1
 mpfr/3.1.3	stable		b:gmp/6.0.0
 mpfr/3.1.4	stable		b:gmp/6.1.0
 mpfr/3.1.4-1	stable		b:gmp/6.1.1
+mpfr/3.1.5	stable		b:gmp/6.1.2
diff --git a/Programming/gcc/6/variants b/Programming/gcc/6/variants
index 7032046..dee69bc 100644
--- a/Programming/gcc/6/variants
+++ b/Programming/gcc/6/variants
@@ -1,2 +1,3 @@
 gcc/6.1.0	stable		b:gmp/6.1.0 b:mpfr/3.1.4 b:mpc/1.0.3
 gcc/6.2.0	stable		b:gmp/6.1.1 b:mpfr/3.1.4 b:mpc/1.0.3
+gcc/6.3.0	stable		b:gmp/6.1.2 b:mpfr/3.1.5 b:mpc/1.0.3