diff --git a/deployment/heat/onap-oom/k8s_vm_entrypoint.sh b/deployment/heat/onap-oom/k8s_vm_entrypoint.sh
index 4385295..6311dfb 100644
--- a/deployment/heat/onap-oom/k8s_vm_entrypoint.sh
+++ b/deployment/heat/onap-oom/k8s_vm_entrypoint.sh
@@ -40,10 +40,12 @@
 echo "vm.max_map_count=262144" >> /etc/sysctl.conf
 sysctl -p
 
+# workaround for OpenStack intermittent failure to change default apt mirrors
+sed -i 's|http://archive.ubuntu.com|http://nova.clouds.archive.ubuntu.com|g' /etc/apt/sources.list
 
 while ! hash jq &> /dev/null; do
     apt-get -y update
-    apt-get -y install linux-image-extra-$(uname -r) jq nfs-common
+    apt-get -y install apt-transport-https ca-certificates curl software-properties-common linux-image-extra-$(uname -r) jq nfs-common
     sleep 10
 done
 
diff --git a/deployment/heat/onap-oom/rancher_vm_entrypoint.sh b/deployment/heat/onap-oom/rancher_vm_entrypoint.sh
index f90957a..18951d9 100644
--- a/deployment/heat/onap-oom/rancher_vm_entrypoint.sh
+++ b/deployment/heat/onap-oom/rancher_vm_entrypoint.sh
@@ -62,9 +62,12 @@
 EOF
 fi
 
+# workaround for OpenStack intermittent failure to change default apt mirrors
+sed -i 's|http://archive.ubuntu.com|http://nova.clouds.archive.ubuntu.com|g' /etc/apt/sources.list
+
 while ! hash jq &> /dev/null; do
     apt-get -y update
-    apt-get -y install linux-image-extra-$(uname -r) jq make nfs-kernel-server moreutils
+    apt-get -y install linux-image-extra-$(uname -r) apt-transport-https ca-certificates curl software-properties-common jq make nfs-kernel-server moreutils
     sleep 10
 done