diff --git a/pkgs/development/libraries/pixman/default.nix b/pkgs/development/libraries/pixman/default.nix
index cb76a1b615fe..d55a86c2908a 100644
--- a/pkgs/development/libraries/pixman/default.nix
+++ b/pkgs/development/libraries/pixman/default.nix
@@ -1,16 +1,16 @@
-{ fetchurl, stdenv, pkgconfig, perl, withPNG ? true, libpng, glib /*just passthru*/ }:
+{ fetchurl, stdenv, pkgconfig, perl, libpng, glib /*just passthru*/ }:
 
 stdenv.mkDerivation rec {
-  name = "pixman-0.32.4";
+  name = "pixman-0.32.6";
 
   src = fetchurl {
     url = "http://cairographics.org/releases/${name}.tar.gz";
-    sha256 = "113ycngcssbrps217dyajq96hm9xghsfch82h14yffla1r1fviw0";
+    sha256 = "0129g4zdrw5hif5783li7rzcr4vpbc2cfia91azxmsk0h0xx3zix";
   };
 
   nativeBuildInputs = [ pkgconfig perl ];
 
-  buildInputs = stdenv.lib.optional withPNG [ libpng ]; # NOT in closure anyway
+  buildInputs = [ libpng ]; # NOT in closure anyway
 
   postInstall = glib.flattenInclude;