diff --git a/Dockerfile b/Dockerfile
index 955c1aa..c84afa5 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -6,9 +6,9 @@ RUN DEBIAN_FRONTEND=noninteractive apt-get update && apt-get install -y \
   wget unzip php5-cli
 
 # install phpvirtualbox
-RUN wget http://sourceforge.net/projects/phpvirtualbox/files/phpvirtualbox-4.3-1.zip/download -O phpvirtualbox-4.3-1.zip
-RUN unzip phpvirtualbox-4.3-1.zip
-RUN mv phpvirtualbox-4.3-1 /var/www
+RUN wget http://sourceforge.net/projects/phpvirtualbox/files/phpvirtualbox-4.3-3.zip/download -O phpvirtualbox-4.3-3.zip
+RUN unzip phpvirtualbox-4.3-3.zip
+RUN mv phpvirtualbox-4.3-3 /var/www
 ADD config.php /var/www/config.php
 RUN chown www-data:www-data -R /var/www
 
diff --git a/README.md b/README.md
index ae2e4e5..93db3c6 100644
--- a/README.md
+++ b/README.md
@@ -63,7 +63,7 @@ To establish an encrypted SSH connection it will likely ask for your password fo
 > supplying ENV variables instead. You can also pass a visual name like this:
 >
 > ```bash
-> -e VB3_PORT_18083_TCP=10.1.1.4:18083 -e VB3_NAME=MyServer
+> -e VB3_PORT_18083_TCP=10.1.1.4:18083 -e VB3_NAME=MyServer -e VB3_USER=VirtualBoxUserName -e VB3_PASSWORD=VirtualBoxUserPassword
 > ```
 
 Now that all `vboxwebsrv` instance are up, we can link everything together and start our actual phpVirtualBox container.
diff --git a/servers-from-env.php b/servers-from-env.php
index 006428f..020eb60 100644
--- a/servers-from-env.php
+++ b/servers-from-env.php
@@ -12,6 +12,9 @@
 
         // actual readable name is stored as "/thiscontainer/givencontainer"
         $name = getenv($prefix . '_NAME');
+        $user = getenv($prefix . '_USER');
+        $pass = getenv($prefix . '_PASSWORD');
+
         $pos = strrpos($name, '/');
         if ($pos !== false) {
             $name = substr($name, $pos + 1);
@@ -27,8 +30,8 @@
 
         $servers []= array(
             'name' => $name,
-            'username' => 'username',
-            'password' => 'password',
+            'username' => false === $user ? 'username' : $user,
+            'password' => false === $pass ? 'password' : $pass,
             'authMaster' => true,
             'location' => $location
         );