diff --git a/scenarios/controlkube/config.yml b/scenarios/controlkube/config.yml
index f38d12c..7b4fea8 100644
--- a/scenarios/controlkube/config.yml
+++ b/scenarios/controlkube/config.yml
@@ -71,6 +71,10 @@
 docker_images_prereqs:
   - prep-headnode
 
+# FIXME: check out and use this kubespray commit (set on 2018-03-02 by zdw):
+# https://github.com/kubernetes-incubator/kubespray/commit/b75b6b513b7d26a0fce3dd55a77ef538d18433a5
+kubespray_version: b75b6b513b7d26a0fce3dd55a77ef538d18433a5
+
 # have kubespray skip docker installation
 skipTags:
   - docker