diff --git a/pkgs/development/libraries/libpng/default.nix b/pkgs/development/libraries/libpng/default.nix
index 39b47c00a952..746266b92c74 100644
--- a/pkgs/development/libraries/libpng/default.nix
+++ b/pkgs/development/libraries/libpng/default.nix
@@ -3,11 +3,11 @@
 assert zlib != null;
 
 stdenv.mkDerivation rec {
-  name = "libpng-1.4.0";
+  name = "libpng-1.2.42";
   
   src = fetchurl {
     url = "mirror://sourceforge/libpng/${name}.tar.gz";
-    md5 = "dfa01122db3be9808a8c9ace7d0580fd";
+    md5 = "562066eb8557db91156eaeb309458488";
   };
   
   propagatedBuildInputs = [zlib];
@@ -20,3 +20,4 @@ stdenv.mkDerivation rec {
     license = "free-non-copyleft"; # http://www.libpng.org/pub/png/src/libpng-LICENSE.txt
   };
 }
+