diff --git a/scripts/python-osm-ro.postinst b/scripts/python-osm-ro.postinst
index 615cbc4..20dbc5e 100755
--- a/scripts/python-osm-ro.postinst
+++ b/scripts/python-osm-ro.postinst
@@ -22,7 +22,7 @@
 #OSMLIBOVIM_PATH=`python -c 'import lib_osm_openvim; print lib_osm_openvim.__path__[0]'`
 
 #Pip packages required for vmware connector
-pip install --upgrade pip
+pip install pip==9.0.3
 pip install --upgrade pyvcloud==19.1.1
 pip install --upgrade progressbar
 pip install --upgrade prettytable