diff --git a/debian/rules b/debian/rules
index 76381cf..fd1c346 100755
--- a/debian/rules
+++ b/debian/rules
@@ -36,6 +36,10 @@
 # Suppress unneeded auto-resolved build-dependency on python-dev
 CDBS_BUILD_DEPENDS_class_python-sugar_python = python
 
+# Build-depend unversioned on debhelper
+#  TODO: Drop when adopted in cdbs
+CDBS_BUILD_DEPENDS_rules_debhelper_v9 = debhelper
+
 # Needed (always) at runtime
 depends = etoys, python