From a976962d6cb87ffb946956fe58a5dfd5742f769e Mon Sep 17 00:00:00 2001
From: Jaka Hudoklin <jakahudoklin@gmail.com>
Date: Mon, 28 Oct 2013 18:22:35 +0100
Subject: [PATCH] optipng: update to 0.7.4

close #1138.
---
 pkgs/tools/graphics/optipng/default.nix | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/pkgs/tools/graphics/optipng/default.nix b/pkgs/tools/graphics/optipng/default.nix
index a7cb20ca1cf7..1b2fc6dbb90c 100644
--- a/pkgs/tools/graphics/optipng/default.nix
+++ b/pkgs/tools/graphics/optipng/default.nix
@@ -3,11 +3,11 @@
 # This package comes with its own copy of zlib, libpng and pngxtern
 
 stdenv.mkDerivation rec {
-  name = "optipng-0.6.5";
+  name = "optipng-0.7.4";
 
   src = fetchurl {
     url = "mirror://sourceforge/optipng/${name}.tar.gz";
-    sha256 = "0i2vpakj60bb0zgy4bynly2mwxiv5fq48yjqjzmrbnqwjh1y5619";
+    sha256 = "1zrphbz17rhhfl1l95q5s979rrhifbwczl2xj1fdrnq5jid5s2sj";
   };
 
   meta = {