diff --git a/Dockerfile b/Dockerfile
index f027742..8ca34bd 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -1,10 +1,12 @@
-FROM phusion/baseimage:0.9.17
+FROM phusion/baseimage:0.9.18
 
 VOLUME /var/mirror
 
 ADD ./sources.list /etc/apt/sources.list
 RUN echo "#!/bin/sh\nexit 101" > /usr/sbin/policy-rc.d
-RUN apt-get update
+# phusion baseimage says i'm not supposed to do this
+# and i don't care:
+RUN apt-get update && apt-get upgrade -y
 RUN apt-get install -y run-one nginx make debmirror
 
 ADD ./mirror /opt/mirror
diff --git a/mirror.run b/mirror.run
index 23f6690..4a691b5 100644
--- a/mirror.run
+++ b/mirror.run
@@ -3,6 +3,11 @@
 # HOME isn't set up for some reason
 export HOME=/root
 
-cd /opt/mirror && make
+# cleanup previous runs
+rm -rf /var/mirror/ubuntu/.temp
 
-sleep ${MIRROR_INTERVAL_SECONDS:-43200}
+while true ; do
+    cd /opt/mirror && make
+
+    sleep ${MIRROR_INTERVAL_SECONDS:-43200}
+done