diff --git a/checkup/Dockerfile b/checkup/Dockerfile
index cd65477..8ec5a97 100644
--- a/checkup/Dockerfile
+++ b/checkup/Dockerfile
@@ -1,4 +1,4 @@
-FROM alpine
+FROM alpine:edge
 MAINTAINER Jessica Frazelle <jess@docker.com>
 
 ENV PATH /go/bin:/usr/local/go/bin:$PATH
diff --git a/pivman/Dockerfile b/pivman/Dockerfile
index 8723cc2..560eaf3 100644
--- a/pivman/Dockerfile
+++ b/pivman/Dockerfile
@@ -9,7 +9,7 @@
 #	--name pivman \
 #	jess/pivman
 #
-FROM ubuntu:14.04
+FROM ubuntu:16.04
 MAINTAINER Jessie Frazelle <jess@linux.com>
 
 RUN apt-get update && apt-get install -y \