diff --git a/debian/compat b/debian/compat
deleted file mode 100644
index 48082f7..0000000
--- a/debian/compat
+++ /dev/null
@@ -1 +0,0 @@
-12
diff --git a/debian/control b/debian/control
index 1c8f3d8..f5fe4a5 100644
--- a/debian/control
+++ b/debian/control
@@ -1,7 +1,7 @@
 Source: proxmox-mailgateway
 Section: admin
 Priority: optional
-Build-Depends: debhelper (>=12~), lintian
+Build-Depends: debhelper-compat (=13), lintian
 Maintainer: Proxmox Support Team <support@proxmox.com>
 Standards-Version: 4.6.1