diff --git a/debian/compat b/debian/compat
index 7ed6ff82..ec635144 100644
--- a/debian/compat
+++ b/debian/compat
@@ -1 +1 @@
-5
+9
diff --git a/debian/control b/debian/control
index 00e8e372..6dc23e0a 100644
--- a/debian/control
+++ b/debian/control
@@ -5,7 +5,7 @@ Maintainer: Davical Development Team <davical-devel@lists.sourceforge.net>
 Uploaders: Andrew McMillan <awm@debian.org>,
  Florian Schlichting <fsfs@debian.org>
 Standards-Version: 3.9.2
-Build-Depends: debhelper (>= 7), libawl-php, gettext
+Build-Depends: debhelper (>= 9), libawl-php, gettext
 Vcs-git: https://gitlab.com/davical-project/davical.git
 Vcs-browser: https://gitlab.com/davical-project/davical
 Homepage: http://www.davical.org/