diff --git a/debian/changelog b/debian/changelog
index 8edc397..2a270ba 100644
--- a/debian/changelog
+++ b/debian/changelog
@@ -1,3 +1,9 @@
+golang-github-svent-go-nbreader (0~20150201-4) UNRELEASED; urgency=low
+
+  * Bump debhelper from old 11 to 12.
+
+ -- Debian Janitor <janitor@jelmer.uk>  Tue, 16 Jun 2020 04:08:20 -0000
+
 golang-github-svent-go-nbreader (0~20150201-3) unstable; urgency=medium
 
   [ Paul Tagliamonte ]
diff --git a/debian/compat b/debian/compat
index b4de394..48082f7 100644
--- a/debian/compat
+++ b/debian/compat
@@ -1 +1 @@
-11
+12
diff --git a/debian/control b/debian/control
index e5ee3da..f12b049 100644
--- a/debian/control
+++ b/debian/control
@@ -3,7 +3,7 @@
 Priority: optional
 Maintainer: Debian Go Packaging Team <team+pkg-go@tracker.debian.org>
 Uploaders: ChangZhuo Chen (陳昌倬) <czchen@debian.org>
-Build-Depends: debhelper (>=11~),
+Build-Depends: debhelper (>= 12~),
                dh-golang,
                golang-any
 Standards-Version: 4.2.1