diff --git a/config.sh b/config.sh
index 0d2e604..3bcfd2b 100755
--- a/config.sh
+++ b/config.sh
@@ -4,7 +4,7 @@
 : ${NICKNAME:="terraform"}
 
 # Arguments given to the download router.
-: ${VERSION:="18.04.4"}
+: ${VERSION:="16.04.6"}
 : ${DISTRO:="server"}
 : ${RELEASE:="latest"}