diff --git a/WHATSNEW.md b/WHATSNEW.md
index 82322eb..f3b4f8b 100644
--- a/WHATSNEW.md
+++ b/WHATSNEW.md
@@ -1,9 +1,15 @@
-Version 0.6.0 (unreleased)
-==========================
+Version 0.6.1
+=============
+
+* fix: install Composer dependencies from a given composer.lock file (it broke recently because apparently Composer
+  now requires a composer.json file to be available in any case in that scenario)
+
+Version 0.6.0
+=============
 
 * improved support for testing projects depending on eZPlatform 3.1, 3.2 and 3.3 (the latter is considered experimental)
 
-* use a per-project directory to store the db data, easing execution of tests running on different db versions from a single dir
+* use a per-project directory to store the db data, easing execution from a single dir of tests running on different db versions
 
 * install nodejs and npm by default in the test container (not supported yet for debian jessie and stretch containers)
 
diff --git a/docker/images/ez/Dockerfile b/docker/images/ez/Dockerfile
index 9245991..43a06dc 100644
--- a/docker/images/ez/Dockerfile
+++ b/docker/images/ez/Dockerfile
@@ -15,6 +15,8 @@ ARG timezone=none
 
 # Set up debian mirror
 # (use fixed debian mirrors if you have problems building on a given day)
+# @todo if we are on jessie or stretch, we might as well add the freexian elts repos. If we are on xenial, allow the
+#       users who have a pro subscription (free) to use those repos (see https://ubuntu.com/pro/beta)
 # -----------------------------------------------------------------------------
 RUN if [ "${debian_mirror}" != "none" ]; then printf "deb ${debian_mirror} ${debian_version} main\ndeb http://security.debian.org ${debian_version}/updates main\ndeb ${debian_mirror} ${debian_version}-updates main" > /etc/apt/sources.list; fi