diff -up comm-beta/mozilla/configure.in.libpng-version comm-beta/mozilla/configure.in
--- comm-beta/mozilla/configure.in.libpng-version	2015-02-26 21:48:06.631168003 +0100
+++ comm-beta/mozilla/configure.in	2015-02-26 21:50:01.676144186 +0100
@@ -50,7 +50,7 @@ _SUBDIR_CONFIG_ARGS="$ac_configure_args"
 dnl Set the version number of the libs included with mozilla
 dnl ========================================================
 MOZJPEG=62
-MOZPNG=10614
+MOZPNG=10513
 NSPR_VERSION=4
 NSPR_MINVER=4.10.3
 NSS_VERSION=3