diff -u blockout2-2.4+dfsg1/debian/changelog blockout2-2.4+dfsg1/debian/changelog
--- blockout2-2.4+dfsg1/debian/changelog
+++ blockout2-2.4+dfsg1/debian/changelog
@@ -1,3 +1,10 @@
+blockout2 (2.4+dfsg1-6.1) unstable; urgency=low
+
+  * Non-maintainer upload.
+  * Fix FTBFS with libpng 1.5.
+
+ -- Nobuhiro Iwamatsu <iwamatsu@nigauri.org>  Thu, 24 Nov 2011 08:20:32 +0900
+
 blockout2 (2.4+dfsg1-6) unstable; urgency=low
 
   * Fix FTBFS with libGL, closes: #618044.
diff -u blockout2-2.4+dfsg1/debian/patches/remove_unnecessary_libdeps.patch blockout2-2.4+dfsg1/debian/patches/remove_unnecessary_libdeps.patch
--- blockout2-2.4+dfsg1/debian/patches/remove_unnecessary_libdeps.patch
+++ blockout2-2.4+dfsg1/debian/patches/remove_unnecessary_libdeps.patch
@@ -75,7 +75,7 @@
  #include <malloc.h>
  #include <math.h>
 -#include "png/png.h"
-+#include <libpng12/png.h>
++#include <png.h>
  #include "hpng.h"
  
  char PngErrorMessage[1024];