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 9a5843a..7c7251f 100644
--- a/debian/control
+++ b/debian/control
@@ -2,7 +2,7 @@ Source: rouen-publik-theme
 Section: web
 Priority: optional
 Maintainer: Emmanuel Cazenave <ecazenave@entrouvert.com>
-Build-Depends: debhelper (>= 8.0.0), sassc (>= 3.4.2), inkscape, python3, publik-base-theme
+Build-Depends: debhelper-compat (= 12), sassc (>= 3.4.2), inkscape, python3, publik-base-theme
 Standards-Version: 3.9.4
 Homepage: http://git.entrouvert.org/rouen-publik-theme.git
 
diff --git a/debian/rules b/debian/rules
index 955dd78..1db7753 100755
--- a/debian/rules
+++ b/debian/rules
@@ -11,3 +11,6 @@
 
 %:
 	dh $@
+
+override_dh_auto_build:
+	dh_auto_build --no-parallel