diff --git a/t/Dockerfile b/t/Dockerfile
index 788c3bd..6199031 100644
--- a/t/Dockerfile
+++ b/t/Dockerfile
@@ -1,3 +1,4 @@
+# DOCKER_NAME=lua-ngcp-kamailio-jenkins
 # TODO - switch to sipwise internal one
 FROM debian:jessie
 
@@ -5,7 +6,7 @@ FROM debian:jessie
 # is updated with the current date. It will force refresh of all
 # of the base images and things like `apt-get update` won't be using
 # old cached versions when the Dockerfile is built.
-ENV REFRESHED_AT 2015-12-02
+ENV REFRESHED_AT 2016-01-08
 
 # mirrors behind httpredir randomly throw `Error reading from server. Remote end closed connection`
 # and we want to be independent from any external services anyway