diff -r ec3c3aa99c79 -r d317f3a211d3 config/companion_libs/gmp.in
--- a/config/companion_libs/gmp.in	Fri Apr 26 14:30:05 2013 +0200
+++ b/config/companion_libs/gmp.in	Sun Feb 09 22:23:59 2014 +0100
@@ -6,6 +6,10 @@
 # Don't remove next line
 # CT_INSERT_VERSION_BELOW
 
+config GMP_V_5_1_3
+    bool
+    prompt "5.1.3"
+
 config GMP_V_5_1_1
     bool
     prompt "5.1.1"
@@ -36,6 +40,7 @@
     string
 # Don't remove next line
 # CT_INSERT_VERSION_STRING_BELOW
+    default "5.1.3" if GMP_V_5_1_3
     default "5.1.1" if GMP_V_5_1_1
     default "5.0.2" if GMP_V_5_0_2
     default "5.0.1" if GMP_V_5_0_1