diff --git a/src/com/mirantis/mk/Openstack.groovy b/src/com/mirantis/mk/Openstack.groovy
index 4ae71ac..0785bbe 100644
--- a/src/com/mirantis/mk/Openstack.groovy
+++ b/src/com/mirantis/mk/Openstack.groovy
@@ -64,7 +64,8 @@
         'openstacksdk<0.44.0',
         'python-octaviaclient==1.11.0',
         'python-heatclient==1.18.0',
-        'docutils==0.16'
+        'docutils==0.16',
+        'pyrsistent<0.17.1',
     ]
 
     if (version == 'kilo') {