diff --git a/pkgs/servers/sql/mysql/5.5.x.nix b/pkgs/servers/sql/mysql/5.5.x.nix
index 820c3fc96050..6a85d956a0c2 100644
--- a/pkgs/servers/sql/mysql/5.5.x.nix
+++ b/pkgs/servers/sql/mysql/5.5.x.nix
@@ -5,11 +5,11 @@
 
 stdenv.mkDerivation rec {
   name = "mysql-${version}";
-  version = "5.5.54";
+  version = "5.5.57";
 
   src = fetchurl {
     url = "mirror://mysql/MySQL-5.5/${name}.tar.gz";
-    sha256 = "1f0sg72vbhavj1cbay0gyyrrw0mjcf2k0nf30zmn2h68ik7wnfr7";
+    sha256 = "113kynpfj45fffr62xack2657pds8mkhsgg77zj94ksj3qrbvhn1";
   };
 
   patches = if stdenv.isCygwin then [