diff --git a/source-builder/config/gcc-4.6-newlib-1.20-1.cfg b/source-builder/config/gcc-4.6-newlib-1.20-1.cfg
index e5e5745..63958e1 100644
--- a/source-builder/config/gcc-4.6-newlib-1.20-1.cfg
+++ b/source-builder/config/gcc-4.6-newlib-1.20-1.cfg
@@ -13,7 +13,7 @@
 %define newlib_version 1.20.0
 %define mpfr_version   3.0.1
 %define mpc_version    0.8.2
-%define gmp_version    5.0.1
+%define gmp_version    5.0.5
 
 #
 # The gcc/newlib build instructions. We use 4.6 Release 1.