diff --git a/debian/changelog b/debian/changelog
index abc859a..3ab09d1 100644
--- a/debian/changelog
+++ b/debian/changelog
@@ -2,6 +2,7 @@
 
   * Trim trailing whitespace.
   * Use secure copyright file specification URI.
+  * Bump debhelper from deprecated 9 to 10.
 
  -- Debian Janitor <janitor@jelmer.uk>  Sun, 17 Oct 2021 17:25:10 -0000
 
diff --git a/debian/compat b/debian/compat
index ec63514..f599e28 100644
--- a/debian/compat
+++ b/debian/compat
@@ -1 +1 @@
-9
+10
diff --git a/debian/control b/debian/control
index 9221979..6277a9a 100644
--- a/debian/control
+++ b/debian/control
@@ -5,7 +5,7 @@
 Uploaders: Lior Kaplan <kaplan@debian.org>, Shachar Shemesh <shachar@debian.org>, Tzafrir Cohen <tzafrir@debian.org>
 Vcs-Browser: https://salsa.debian.org/hebrew-team/libhdate
 Vcs-Git: https://salsa.debian.org/hebrew-team/libhdate.git
-Build-Depends: debhelper (>= 9),
+Build-Depends: debhelper (>= 10~),
  swig,
  python-dev (>= 2.6.6-3~),
  dh-python,