diff --git a/debian/changelog b/debian/changelog
index ddb2f5f..6e0f0d4 100644
--- a/debian/changelog
+++ b/debian/changelog
@@ -85,4 +85,4 @@ rastertosag-gdi (0.1-0ubuntu1) oneiric; urgency=low
 
   * Initial release (LP: #700141).
 
- -- Till Kamppeter <till.kamppeter@gmail.com>  Sat,  5 Aug 2011 16:11:00 +0200
+ -- Till Kamppeter <till.kamppeter@gmail.com>  Fri, 05 Aug 2011 16:11:00 +0200
diff --git a/debian/compat b/debian/compat
deleted file mode 100644
index ec63514..0000000
--- a/debian/compat
+++ /dev/null
@@ -1 +0,0 @@
-9
diff --git a/debian/control b/debian/control
index 7dac0c4..9144c08 100644
--- a/debian/control
+++ b/debian/control
@@ -3,11 +3,11 @@ Maintainer: Debian Printing Team <debian-printing@lists.debian.org>
 Uploaders: Didier Raboud <odyx@debian.org>
 Section: text
 Priority: optional
-Build-Depends: debhelper (>= 9~)
+Build-Depends: debhelper-compat (= 12)
 Standards-Version: 4.2.1
 Vcs-Browser: https://salsa.debian.org/printing-team/rastertosag-gdi
 Vcs-Git: https://salsa.debian.org/printing-team/rastertosag-gdi.git
-Homepage: http://www.openprinting.org/driver/rastertosag-gdi/
+Homepage: https://www.openprinting.org/driver/rastertosag-gdi/
 
 Package: printer-driver-sag-gdi
 Architecture: all
@@ -19,6 +19,6 @@ Breaks: cups (<< 1.5.0-3),
         rastertosag-gdi (<< 0.1-3)
 Replaces: rastertosag-gdi (<< 0.1-3)
 Description: printer driver for Ricoh Aficio SP 1000s/SP 1100s
- The rastertosag-gdi driver is an open source Linux driver for the Ricoh Aficio 
+ The rastertosag-gdi driver is an open source Linux driver for the Ricoh Aficio
  SP 1000s/SP 1100s printers. These are some of the few Ricoh printers which do
  not understand PostScript or PCL, but only a proprietary raster format.
diff --git a/debian/copyright b/debian/copyright
index a0f59f5..189229f 100644
--- a/debian/copyright
+++ b/debian/copyright
@@ -1,4 +1,4 @@
-Format: http://www.debian.org/doc/packaging-manuals/copyright-format/1.0/
+Format: https://www.debian.org/doc/packaging-manuals/copyright-format/1.0/
 Upstream-Name: rastertosag-gdi
 Upstream-Contact: http://forums.linux-foundation.org/read.php?30,13489,13557
 Source: http://www.openprinting.org/download/printing/rastertosag-gdi/