diff --git a/debian/changelog b/debian/changelog
index 755b7e9..113959a 100644
--- a/debian/changelog
+++ b/debian/changelog
@@ -7,6 +7,7 @@ nagios-snmp-plugins (2.1.0-2) UNRELEASED; urgency=medium
   * Use secure copyright file specification URI.
   * debian/copyright: use spaces rather than tabs to start continuation
     lines.
+  * Bump debhelper from deprecated 5 to 12.
 
  -- Jan Wagner <waja@cyconet.org>  Wed, 23 Jan 2019 22:34:43 +0100
 
diff --git a/debian/compat b/debian/compat
index 7ed6ff8..48082f7 100644
--- a/debian/compat
+++ b/debian/compat
@@ -1 +1 @@
-5
+12
diff --git a/debian/control b/debian/control
index 61b4656..f36df34 100644
--- a/debian/control
+++ b/debian/control
@@ -3,7 +3,7 @@ Section: net
 Priority: optional
 Maintainer: Debian Nagios Maintainer Group <pkg-nagios-devel@lists.alioth.debian.org>
 Uploaders: Jan Wagner <waja@cyconet.org>
-Build-Depends: debhelper (>= 5)
+Build-Depends: debhelper (>= 12~)
 Homepage: https://github.com/dnsmichi/manubulon-snmp
 Vcs-Browser: https://salsa.debian.org/nagios-team/pkg-nagios-snmp-plugins
 Vcs-Git: https://salsa.debian.org/nagios-team/pkg-nagios-snmp-plugins.git