diff --git a/debian/changelog b/debian/changelog
index ca3e166..c157179 100644
--- a/debian/changelog
+++ b/debian/changelog
@@ -1,6 +1,7 @@
 fonts-kouzan-mouhitsu (20170411-4) UNRELEASED; urgency=medium
 
   * Trim trailing whitespace.
+  * Update standards version to 4.5.1, no changes needed.
 
  -- Debian Janitor <janitor@jelmer.uk>  Wed, 16 Jun 2021 08:09:58 -0000
 
diff --git a/debian/control b/debian/control
index 8006973..bec8cfd 100644
--- a/debian/control
+++ b/debian/control
@@ -4,7 +4,7 @@
 Maintainer: Debian Fonts Task Force <pkg-fonts-devel@lists.alioth.debian.org>
 Uploaders: Hideki Yamane <henrich@debian.org>
 Build-Depends: debhelper (>= 12), debhelper-compat (= 12),
-Standards-Version: 4.3.0
+Standards-Version: 4.5.1
 Homepage: https://opentype.jp/kouzanmouhitufont.htm
 Vcs-Git: https://salsa.debian.org/fonts-team/fonts-kouzan-mouhitsu.git
 Vcs-Browser: https://salsa.debian.org/fonts-team/fonts-kouzan-mouhitsu