diff --git a/pkgs/development/interpreters/php/5.4.nix b/pkgs/development/interpreters/php/5.4.nix
index 3edf25b0cd9..1e3d73fa884 100644
--- a/pkgs/development/interpreters/php/5.4.nix
+++ b/pkgs/development/interpreters/php/5.4.nix
@@ -9,7 +9,7 @@ in
 
 composableDerivation.composableDerivation {} ( fixed : let inherit (fixed.fixed) version; in {
 
-  version = "5.4.20";
+  version = "5.4.21";
 
   name = "php-${version}";
 
@@ -235,7 +235,7 @@ composableDerivation.composableDerivation {} ( fixed : let inherit (fixed.fixed)
       "http://nl1.php.net/get/php-${version}.tar.bz2/from/this/mirror"
       "http://se1.php.net/get/php-${version}.tar.bz2/from/this/mirror"
     ];
-    sha256 = "1qarcxj46rzkmql3w2dln0hxzs349ph31fxcslizxch1ig7l43nd";
+    sha256 = "1v2nqvgb0lvja4as5361ja3ry8ja7ib38wzia34g7inw3bp7r3za";
     name = "php-${version}.tar.bz2";
   };