diff --git a/debian/compat b/debian/compat
index 45a4fb75..ec635144 100644
--- a/debian/compat
+++ b/debian/compat
@@ -1 +1 @@
-8
+9
diff --git a/debian/control b/debian/control
index bfba64ff..5f392e25 100644
--- a/debian/control
+++ b/debian/control
@@ -2,7 +2,7 @@ Source: publik-base-theme
 Section: web
 Priority: optional
 Maintainer: Frédéric Péters <fpeters@entrouvert.com>
-Build-Depends: debhelper (>= 8.0.0), ruby-sass (>= 3.4.23), inkscape
+Build-Depends: debhelper (>= 9.0.0), ruby-sass (>= 3.4.23), inkscape
 Standards-Version: 3.9.4
 Homepage: http://git.entrouvert.org/publik-base-theme.git