diff --git a/pkgs/development/libraries/libpng/default.nix b/pkgs/development/libraries/libpng/default.nix
index 34e0dbfc5b3..256993b9968 100644
--- a/pkgs/development/libraries/libpng/default.nix
+++ b/pkgs/development/libraries/libpng/default.nix
@@ -2,12 +2,12 @@
 
 assert zlib != null;
 
-stdenv.mkDerivation {
-  name = "libpng-1.2.32";
+stdenv.mkDerivation rec {
+  name = "libpng-1.2.35";
   
   src = fetchurl {
-    url = mirror://sourceforge/libpng/libpng-1.2.32.tar.bz2;
-    md5 = "df4a20c6f24a6f642ae11c9a5a4ffa7f";
+    url = mirror://sourceforge/libpng/libpng-1.2.35.tar.bz2;
+    md5 = "b8b8d09adf6bee2c5902c8e54c4f2e68";
   };
   
   propagatedBuildInputs = [zlib];