diff --git a/ChangeLog b/ChangeLog
index db2206c4430..ceb5d48e38f 100644
--- a/ChangeLog
+++ b/ChangeLog
@@ -1,3 +1,8 @@
+2012-09-06   Diego Novillo  <dnovillo@google.com>
+
+	* configure.ac: Bump minimum GMP version to 4.2.3.
+	* configure: Re-generate.
+
 2012-09-05  Georg-Johann Lay  <avr@gjlay.de>
 
 	PR target/54461
diff --git a/configure b/configure
index 8272ed05b28..a5df0c8672f 100755
--- a/configure
+++ b/configure
@@ -5318,7 +5318,7 @@ main ()
 
   #define GCC_GMP_VERSION_NUM(a,b,c) (((a) << 16L) | ((b) << 8) | (c))
   #define GCC_GMP_VERSION GCC_GMP_VERSION_NUM(__GNU_MP_VERSION,__GNU_MP_VERSION_MINOR,__GNU_MP_VERSION_PATCHLEVEL)
-  #if GCC_GMP_VERSION < GCC_GMP_VERSION_NUM(4,2,0)
+  #if GCC_GMP_VERSION < GCC_GMP_VERSION_NUM(4,2,3)
   choke me
   #endif
 
diff --git a/configure.ac b/configure.ac
index 36830d1de2f..a6f58280439 100644
--- a/configure.ac
+++ b/configure.ac
@@ -1358,7 +1358,7 @@ if test -d ${srcdir}/gcc && test "x$have_gmp" = xno; then
   AC_TRY_COMPILE([#include "gmp.h"],[
   #define GCC_GMP_VERSION_NUM(a,b,c) (((a) << 16L) | ((b) << 8) | (c))
   #define GCC_GMP_VERSION GCC_GMP_VERSION_NUM(__GNU_MP_VERSION,__GNU_MP_VERSION_MINOR,__GNU_MP_VERSION_PATCHLEVEL)
-  #if GCC_GMP_VERSION < GCC_GMP_VERSION_NUM(4,2,0)
+  #if GCC_GMP_VERSION < GCC_GMP_VERSION_NUM(4,2,3)
   choke me
   #endif
   ], [AC_TRY_COMPILE([#include <gmp.h>],[