diff --git a/debian/changelog b/debian/changelog
index 91badb2..ea674a6 100644
--- a/debian/changelog
+++ b/debian/changelog
@@ -1,6 +1,7 @@
 jawn (0.11.1+really0.6.0-2) UNRELEASED; urgency=low
 
   * Use secure copyright file specification URI.
+  * Bump debhelper from old 11 to 13.
 
  -- Debian Janitor <janitor@jelmer.uk>  Tue, 12 May 2026 15:34:10 +0000
 
diff --git a/debian/compat b/debian/compat
index b4de394..b1bd38b 100644
--- a/debian/compat
+++ b/debian/compat
@@ -1 +1 @@
-11
+13
diff --git a/debian/control b/debian/control
index c04cf8d..3dbd971 100644
--- a/debian/control
+++ b/debian/control
@@ -4,7 +4,7 @@
 Maintainer: Debian Java Maintainers <pkg-java-maintainers@lists.alioth.debian.org>
 Uploaders: Frédéric Bonnard <frediz@linux.vnet.ibm.com>
 Build-Depends:
- debhelper (>= 11),
+ debhelper (>= 13~),
  default-jdk,
  libjson4s-java,
  maven-repo-helper,