diff --git a/multi-node-aio/bootstrap.sh b/multi-node-aio/bootstrap.sh
index 05008519..ba308f8e 100755
--- a/multi-node-aio/bootstrap.sh
+++ b/multi-node-aio/bootstrap.sh
@@ -83,4 +83,5 @@ if [[ ${#BINDEP_PKGS} > 0 ]]; then
     esac
 fi
 
-sudo pip install ansible==2.4.0.0
+# install latest OSA supported Ansible version
+sudo pip install -r https://git.openstack.org/cgit/openstack/openstack-ansible-tests/plain/test-ansible-deps.txt