diff -urNad libtnt.orig/libtnt-1.2.6/debian/rules libtnt/libtnt-1.2.6/debian/rules
--- libtnt.orig/libtnt-1.2.6/debian/rules	2015-02-08 02:55:19.292570122 +0000
+++ libtnt/libtnt-1.2.6/debian/rules	2015-02-08 02:59:18.775358745 +0000
@@ -2,6 +2,8 @@
 # Copyright (C) 2004-2005 Anibal Monsalve Salazar <anibal@debian.org>
 # Copyright (c) 2005-2006 Juan Esteban Monsalve Tobon <esteban@v7w.com>
 
+BUILD_DATE := $(shell dpkg-parsechangelog --show-field Date)
+
 binary: binary-arch binary-indep
 
 binary-indep: build
@@ -15,11 +17,11 @@
 	install -p -m 644 Changes debian/tmp/usr/share/doc/libtnt-dev/changelog
 	install -p -m 644 debian/changelog debian/tmp/usr/share/doc/libtnt-dev/changelog.Debian
 	install -p -m 644 examples debian/tmp/usr/share/doc/libtnt-dev
-	gzip -9 debian/tmp/usr/share/doc/libtnt-dev/*
+	gzip -9n debian/tmp/usr/share/doc/libtnt-dev/*
 	install -p -m 644 README debian/tmp/usr/share/doc/libtnt-dev
 	install -p -m 644 debian/copyright debian/tmp/usr/share/doc/libtnt-dev
-	tar cf debian/tmp/usr/share/doc/libtnt-dev/html-tnt.tar html
-	gzip -9 debian/tmp/usr/share/doc/libtnt-dev/html-tnt.tar
+	tar cf debian/tmp/usr/share/doc/libtnt-dev/html-tnt.tar html --mtime="$(BUILD_DATE)"
+	gzip -9n debian/tmp/usr/share/doc/libtnt-dev/html-tnt.tar
 	chmod 644 debian/tmp/usr/share/doc/libtnt-dev/html-tnt.tar.gz
 
 	dpkg-gencontrol -isp