diff --git a/debian/changelog b/debian/changelog
index 5251d3eb09b6f9ec9c9731d044c6c21b65a34a46..04ba7f313e032c41d5a0be3965b85f4ee85075b0 100644
--- a/debian/changelog
+++ b/debian/changelog
@@ -3,6 +3,7 @@ ruby-openid (2.9.2debian-2) UNRELEASED; urgency=medium
   * Set field Upstream-Contact in debian/copyright.
   * Remove obsolete fields Contact, Name from debian/upstream/metadata
     (already present in machine-readable debian/copyright).
+  * Bump debhelper from old 12 to 13.
 
  -- Debian Janitor <janitor@jelmer.uk>  Sun, 23 Feb 2020 07:27:05 +0000
 
diff --git a/debian/control b/debian/control
index f0011c43ab69feac6cc2d759952496c0471429b5..52125565d5a628dc94b7b45968cfb6c2adb59b57 100644
--- a/debian/control
+++ b/debian/control
@@ -6,7 +6,7 @@ Uploaders: Cédric Boutillier <boutil@debian.org>,
 Section: ruby
 Testsuite: autopkgtest-pkg-ruby
 Priority: optional
-Build-Depends: debhelper-compat (= 12),
+Build-Depends: debhelper-compat (= 13),
                gem2deb,
                ruby-hmac,
                ruby-minitest