diff --git a/scripts/python-osm-ro.postinst b/scripts/python-osm-ro.postinst
index b2a2ff2..01ce867 100755
--- a/scripts/python-osm-ro.postinst
+++ b/scripts/python-osm-ro.postinst
@@ -23,7 +23,7 @@
 
 #Pip packages required for vmware connector
 pip install --upgrade pip
-pip install --upgrade pyvcloud
+pip install --upgrade pyvcloud==18.2.2
 pip install --upgrade progressbar
 pip install --upgrade prettytable
 pip install --upgrade pyvmomi