diff --git a/debian/changelog b/debian/changelog
index 731dbe0..5dfde4f 100644
--- a/debian/changelog
+++ b/debian/changelog
@@ -2,6 +2,7 @@
 
   * Trim trailing whitespace.
   * Use secure URI in Homepage field.
+  * Bump debhelper from old 11 to 12.
 
  -- Debian Janitor <janitor@jelmer.uk>  Fri, 05 Jun 2020 18:00:26 -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 6575a87..a0d77be 100644
--- a/debian/control
+++ b/debian/control
@@ -7,7 +7,7 @@
  Emmanuel Bourg <ebourg@apache.org>,
  Jakub Adam <jakub.adam@ktknet.cz>
 Build-Depends:
- debhelper (>= 11),
+ debhelper (>= 12~),
  default-jdk,
  junit4,
  libbuild-helper-maven-plugin-java,