diff -Nru heat-11.0.0~rc1/debian/changelog heat-11.0.0~rc1/debian/changelog
--- heat-11.0.0~rc1/debian/changelog	2018-08-10 19:40:17.000000000 +0000
+++ heat-11.0.0~rc1/debian/changelog	2018-08-14 16:27:40.000000000 +0000
@@ -1,3 +1,11 @@
+heat (1:11.0.0~rc1-0ubuntu2) cosmic; urgency=medium
+
+  * Drop hard requirement for python-zunclient:
+    - d/py3dist-overrides: Mirror exclusion of python{3}-zunclient.
+    - d/control: python{3}-zunclient Depends -> Suggests.
+
+ -- James Page <james.page@ubuntu.com>  Tue, 14 Aug 2018 17:27:40 +0100
+
 heat (1:11.0.0~rc1-0ubuntu1) cosmic; urgency=medium
 
   * New upstream release candidate for OpenStack Rocky.
diff -Nru heat-11.0.0~rc1/debian/control heat-11.0.0~rc1/debian/control
--- heat-11.0.0~rc1/debian/control	2018-08-10 19:40:17.000000000 +0000
+++ heat-11.0.0~rc1/debian/control	2018-08-14 16:27:40.000000000 +0000
@@ -326,12 +326,10 @@
  python-yaml (>= 3.12),
  python-yaql (>= 1.1.3),
  python-zaqarclient (>= 1.0.0),
- python-zunclient (>= 2.0.0),
  ${misc:Depends},
  ${python:Depends},
 Suggests:
- python-blazarclient (>= 1.0.0),
- python-zunclient (>= 0.1.0),
+ python-zunclient (>= 2.0.0),
 Conflicts:
  python3-heat,
 Description: OpenStack orchestration service - Python 2 files
@@ -409,12 +407,10 @@
  python3-yaml (>= 3.12),
  python3-yaql (>= 1.1.3),
  python3-zaqarclient (>= 1.0.0),
- python3-zunclient (>= 2.0.0),
  ${misc:Depends},
  ${python3:Depends},
 Suggests:
- python3-blazarclient (>= 1.0.0),
- python3-zunclient (>= 0.1.0),
+ python3-zunclient (>= 2.0.0),
 Conflicts:
  python-heat,
 Description: OpenStack orchestration service - Python 3 files
diff -Nru heat-11.0.0~rc1/debian/py3dist-overrides heat-11.0.0~rc1/debian/py3dist-overrides
--- heat-11.0.0~rc1/debian/py3dist-overrides	1970-01-01 00:00:00.000000000 +0000
+++ heat-11.0.0~rc1/debian/py3dist-overrides	2018-08-14 16:27:40.000000000 +0000
@@ -0,0 +1 @@
+python-zunclient