diff --git a/doc/timeline/week21.txt b/doc/timeline/week21.txt
index 34b1b636e171846fe4eeddaba99bc4f8d51f908d..3fd0783bef205d5d29a5f92cac44671bdf13fd48 100644
--- a/doc/timeline/week21.txt
+++ b/doc/timeline/week21.txt
@@ -1,14 +1,14 @@
 Week 21 (18.05. - 24.05.)
 =======================
 
-[~] containerize prototype
+[x] containerize prototype
 
 -> for development, I'll be using docker-compose for now
 
 -> want to have anything in one setup so it is easy to develop on and
    demonstrate
 
-[ ] build example application on dataset
+[~] build example application on dataset
 
 -> what should it even do?
 
diff --git a/src/ulocollect b/src/ulocollect
index 3fabd352778292363697783d7fca23e0948500cf..466e16319448bb2a70654c07a80666789eee5430 160000
--- a/src/ulocollect
+++ b/src/ulocollect
@@ -1 +1 @@
-Subproject commit 3fabd352778292363697783d7fca23e0948500cf
+Subproject commit 466e16319448bb2a70654c07a80666789eee5430