diff --git a/util/buildscripts/scripts/docker/prepare.sh b/util/buildscripts/scripts/docker/prepare.sh
index 8fda58c89..aacbc8445 100755
--- a/util/buildscripts/scripts/docker/prepare.sh
+++ b/util/buildscripts/scripts/docker/prepare.sh
@@ -2,6 +2,9 @@
 set -e
 set -x
 
+# fix EOL ubuntu package URLs
+sudo sed -i.bak -r 's/(archive|security).ubuntu.com/old-releases.ubuntu.com/g' /etc/apt/sources.list
+
 # initial update
 apt-get update