diff --git a/pkgs/development/libraries/gmp/default.nix b/pkgs/development/libraries/gmp/default.nix
index 967c60a35b30..459a57ab5cac 100644
--- a/pkgs/development/libraries/gmp/default.nix
+++ b/pkgs/development/libraries/gmp/default.nix
@@ -1,15 +1,17 @@
 {stdenv, fetchurl, m4, cxx ? true }:
 
 stdenv.mkDerivation {
-  name = "gmp-4.2.3";
+  name = "gmp-4.2.4";
 
   src = fetchurl {
-    url = mirror://gnu/gmp/gmp-4.2.3.tar.bz2;
-    sha256 = "139b5abc49833832184c0a03ff6fc64c59ef102b420d2a5884ad78af5647414b";
+    url = mirror://gnu/gmp/gmp-4.2.4.tar.bz2;
+    sha256 = "0s73xzhwrfqcr1gmhsink1fhfzjlkyk70b1bdyrm76m6b3jv082l";
   };
 
   buildInputs = [m4];
+  
   configureFlags = if cxx then "--enable-cxx" else "--disable-cxx";
+  
   doCheck = true;
 
   meta = {
diff --git a/pkgs/development/libraries/mpfr/default.nix b/pkgs/development/libraries/mpfr/default.nix
index b74b8af02e14..f6456ea0c4e0 100644
--- a/pkgs/development/libraries/mpfr/default.nix
+++ b/pkgs/development/libraries/mpfr/default.nix
@@ -1,11 +1,11 @@
 {stdenv, fetchurl, gmp}:
 
 stdenv.mkDerivation {
-  name = "mpfr-2.3.1";
+  name = "mpfr-2.3.2";
 
   src = fetchurl {
-    url = http://www.mpfr.org/mpfr-current/mpfr-2.3.1.tar.bz2;
-    sha256 = "0c44va4plxfd9zm7aa24173im38svnb15lbxql5hvxbc9bgzjmyq";
+    url = http://www.mpfr.org/mpfr-current/mpfr-2.3.2.tar.bz2;
+    sha256 = "0k5s5whhz5njp4ybim8c7rcin5ba1s2apwijmg7bg0p1jv4piq0q";
   };
 
   buildInputs = [gmp];