diff --git a/debian/compat b/debian/compat
index f599e28b..b4de3947 100644
--- a/debian/compat
+++ b/debian/compat
@@ -1 +1 @@
-10
+11
diff --git a/debian/control b/debian/control
index d751729b..4e9dee31 100644
--- a/debian/control
+++ b/debian/control
@@ -3,7 +3,7 @@ Section: python
 Priority: optional
 Maintainer: Debian Python Modules Team <python-modules-team@lists.alioth.debian.org>
 Uploaders: TANIGUCHI Takaki <takaki@debian.org>
-Build-Depends: debhelper (>= 10)
+Build-Depends: debhelper (>= 11)
 	, python-all
 	, python-setuptools
 	, python3-all