diff --git a/debian/changelog b/debian/changelog
index 1cce358..1f8df3b 100644
--- a/debian/changelog
+++ b/debian/changelog
@@ -14,6 +14,7 @@ python-click-threading (0.4.4-3) UNRELEASED; urgency=medium
   [ Debian Janitor ]
   * Remove constraints unnecessary since stretch:
     + Build-Depends: Drop versioned constraint on dh-python.
+  * Bump debhelper from old 12 to 13.
 
  -- Debian Janitor <janitor@jelmer.uk>  Thu, 12 Dec 2019 16:59:35 +0000
 
diff --git a/debian/control b/debian/control
index ee7c912..0ca0c81 100644
--- a/debian/control
+++ b/debian/control
@@ -3,7 +3,7 @@ Maintainer: Debian Python Team <team+python@tracker.debian.org>
 Uploaders: Filip Pytloun <filip@pytloun.cz>
 Section: python
 Priority: optional
-Build-Depends: debhelper-compat (= 12),
+Build-Depends: debhelper-compat (= 13),
                dh-python,
                python3-all,
                python3-click (>= 5.0),