diff --git a/debian/changelog b/debian/changelog
index 412622c..c752c01 100644
--- a/debian/changelog
+++ b/debian/changelog
@@ -1,3 +1,9 @@
+libkmlframework-java (0.0.git20150825.a2e0518-2) UNRELEASED; urgency=medium
+
+  * Bump debhelper from old 11 to 13.
+
+ -- Debian Janitor <janitor@jelmer.uk>  Wed, 22 Sep 2021 00:39:23 -0000
+
 libkmlframework-java (0.0.git20150825.a2e0518-1) unstable; urgency=medium
 
   * Use git mode in watch file
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 9f7215c..b36623d 100644
--- a/debian/control
+++ b/debian/control
@@ -3,7 +3,7 @@
 Uploaders: Andreas Tille <tille@debian.org>
 Section: java
 Priority: optional
-Build-Depends: debhelper (>= 11~),
+Build-Depends: debhelper (>= 13~),
                javahelper,
                default-jdk,
                ant,