diff --git a/tcp_tests/templates/virtual-mcp-ocata-ovs-ceph/underlay--user-data1604.yaml b/tcp_tests/templates/virtual-mcp-ocata-ovs-ceph/underlay--user-data1604.yaml
index fc81674..c056295 100644
--- a/tcp_tests/templates/virtual-mcp-ocata-ovs-ceph/underlay--user-data1604.yaml
+++ b/tcp_tests/templates/virtual-mcp-ocata-ovs-ceph/underlay--user-data1604.yaml
@@ -50,6 +50,11 @@
    - echo "Preparing base OS"
    - which wget >/dev/null || (apt-get update; apt-get install -y wget)
 
+   # Configure Ubuntu mirrors
+   - echo "deb [arch=amd64] http://mirror.mirantis.com/{{ REPOSITORY_SUITE }}/ubuntu/ xenial main restricted universe" > /etc/apt/sources.list
+   - echo "deb [arch=amd64] http://mirror.mirantis.com/{{ REPOSITORY_SUITE }}/ubuntu/ xenial-updates main restricted universe" >> /etc/apt/sources.list
+   - echo "deb [arch=amd64] http://mirror.mirantis.com/{{ REPOSITORY_SUITE }}/ubuntu/ xenial-security main restricted universe" >> /etc/apt/sources.list
+
    - echo "deb [arch=amd64] http://apt.mirantis.com/xenial {{ REPOSITORY_SUITE }} salt extra" > /etc/apt/sources.list.d/mcp_salt.list;
    - wget -O - http://apt.mirantis.com/public.gpg | apt-key add -;
    - echo "deb http://repo.saltstack.com/apt/ubuntu/16.04/amd64/2016.3 xenial main" > /etc/apt/sources.list.d/saltstack.list;