diff --git a/debian/changelog b/debian/changelog
index 748a1c2..026f37c 100644
--- a/debian/changelog
+++ b/debian/changelog
@@ -2,6 +2,7 @@
 
   * Trim trailing whitespace.
   * Use secure copyright file specification URI.
+  * Bump debhelper from old 11 to 12.
 
  -- Debian Janitor <janitor@jelmer.uk>  Thu, 20 May 2021 23:05:14 -0000
 
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 0265b55..47ff7c4 100644
--- a/debian/control
+++ b/debian/control
@@ -5,7 +5,7 @@
 Uploaders: ShuxiongYe <yeshuxiong@gmail.com>, Sylvestre Ledru <sylvestre@debian.org>
 Build-Depends: ant,
                ant-optional,
-               debhelper (>= 11),
+               debhelper (>= 12~),
                default-jdk (>= 2:1.8),
                docbook-xsl (>= 1.76),
                help2man,