diff -Nru dillo-3.0.5/debian/changelog dillo-3.0.5/debian/changelog
--- dillo-3.0.5/debian/changelog	2015-06-30 21:49:20.000000000 +0000
+++ dillo-3.0.5/debian/changelog	2016-01-30 10:49:51.000000000 +0000
@@ -1,3 +1,11 @@
+dillo (3.0.5-2) unstable; urgency=medium
+
+  * Drop alternative build-dependency on to be removed libpng12-dev.
+    (Closes: #810179)
+  * Enable all hardening flags.
+
+ -- Axel Beckert <abe@debian.org>  Sat, 30 Jan 2016 11:49:50 +0100
+
 dillo (3.0.5-1) unstable; urgency=medium
 
   * New upstream release.
diff -Nru dillo-3.0.5/debian/control dillo-3.0.5/debian/control
--- dillo-3.0.5/debian/control	2015-06-23 18:41:58.000000000 +0000
+++ dillo-3.0.5/debian/control	2016-01-08 10:37:50.000000000 +0000
@@ -9,7 +9,7 @@
                libfltk1.3-dev (>= 1.3.2-3~),
                libglib2.0-dev,
                libjpeg-dev | libjpeg8-dev,
-               libpng-dev | libpng12-dev,
+               libpng-dev,
                libssl-dev,
                zlib1g-dev
 Homepage: http://www.dillo.org/
diff -Nru dillo-3.0.5/debian/rules dillo-3.0.5/debian/rules
--- dillo-3.0.5/debian/rules	2014-09-30 15:12:14.000000000 +0000
+++ dillo-3.0.5/debian/rules	2016-01-30 10:48:25.000000000 +0000
@@ -7,6 +7,8 @@
 export DEB_LDFLAGS_MAINT_APPEND=-lpthread
 endif
 
+export DEB_BUILD_MAINT_OPTIONS=hardening=+all
+
 %:
 	dh $@ --parallel --with autoreconf