diff --git a/debian/changelog b/debian/changelog
index 3742d2b..cd1bf31 100644
--- a/debian/changelog
+++ b/debian/changelog
@@ -1,3 +1,10 @@
+python-castellan (0.17.0-3) UNRELEASED; urgency=medium
+
+  * d/control: Add trailing tilde to min version depend to allow
+    backports
+
+ -- Ondřej Nový <onovy@debian.org>  Tue, 27 Feb 2018 16:41:01 +0100
+
 python-castellan (0.17.0-2) unstable; urgency=medium
 
   * Uploading to unstable.
diff --git a/debian/control b/debian/control
index 9fb61b6..431b940 100644
--- a/debian/control
+++ b/debian/control
@@ -5,7 +5,7 @@
 Uploaders:
  Thomas Goirand <zigo@debian.org>,
 Build-Depends:
- debhelper (>= 9),
+ debhelper (>= 9~),
  dh-python,
  openstack-pkg-tools,
  python-all,