diff --git a/pkgs/servers/sql/mysql55/default.nix b/pkgs/servers/sql/mysql55/default.nix
index 81514494c07..898acc1ba49 100644
--- a/pkgs/servers/sql/mysql55/default.nix
+++ b/pkgs/servers/sql/mysql55/default.nix
@@ -4,25 +4,20 @@
 
 stdenv.mkDerivation rec {
   name = "mysql-${version}";
-  version = "5.5.28";
+  version = "5.5.31";
 
   src = fetchurl {
-    urls = [
-      "mirror://sourceforge/mysql.mirror/${name}.tar.gz"
-      "http://mysql.linux.cz/Downloads/MySQL-5.5/${name}.tar.gz"
-      "http://ftp.gwdg.de/pub/misc/mysql/Downloads/MySQL-5.5/${name}.tar.gz"
-    ];
-    sha256 = "13y7bhjmx4daidvyqjz88yffbswb6rc1khkmiqm896fx3lglkcpr";
+    url = "http://cdn.mysql.com/Downloads/MySQL-5.5/${name}.tar.gz";
+    md5 = "bf402cbd52a9af33e5c25b2a4bbc56db";
   };
 
   buildInputs = [ cmake bison ncurses openssl readline zlib ]
      ++ stdenv.lib.optional stdenv.isDarwin perl;
 
-
   enableParallelBuilding = true;
 
   cmakeFlags = "-DWITH_SSL=yes -DWITH_READLINE=yes -DWITH_EMBEDDED_SERVER=yes -DWITH_ZLIB=yes -DINSTALL_SCRIPTDIR=bin -DHAVE_IPV6=yes";
-  
+
   NIX_LDFLAGS = stdenv.lib.optionalString stdenv.isLinux "-lgcc_s";
 
   prePatch = ''