diff --git a/pkgs/development/libraries/libpng/default.nix b/pkgs/development/libraries/libpng/default.nix
index f120bca50c6..c1655bf7f2b 100644
--- a/pkgs/development/libraries/libpng/default.nix
+++ b/pkgs/development/libraries/libpng/default.nix
@@ -3,11 +3,11 @@
 assert zlib != null;
 
 let
-  version = "1.6.8";
-  sha256 = "109h2fcjspd792lvh5q4xnkpsv7rjczmrdl15i4ajx0xbs5kvxr4";
+  version = "1.6.9";
+  sha256 = "0ji7488fp08b3xa6605zzghzpxawkhhg6jbqzrdw2y38zrvadqzx";
   patch_src = fetchurl {
     url = "mirror://sourceforge/libpng-apng/libpng-${version}-apng.patch.gz";
-    sha256 = "0wysnv0d8h7pyz7gfagnkwra2k7malqga1cn6wbk2l7a8k2r53qi";
+    sha256 = "0l61y6b03avyxrx8c72x8m73j3b8mj0wx80wdl6w82wgnr2fw4x1";
   };
   whenPatched = stdenv.lib.optionalString apngSupport;