diff --git a/builder/parser/testfiles/kartar-entrypoint-oddities/Dockerfile b/builder/parser/testfiles/kartar-entrypoint-oddities/Dockerfile
index 35f9c24aa6395..77d0382b38052 100644
--- a/builder/parser/testfiles/kartar-entrypoint-oddities/Dockerfile
+++ b/builder/parser/testfiles/kartar-entrypoint-oddities/Dockerfile
@@ -1,4 +1,4 @@
-FROM ubuntu:14.04
+FROM ubuntu:trusty-20190425
 MAINTAINER James Turnbull "james@example.com"
 ENV REFRESHED_AT 2014-06-01
 RUN apt-get update