diff --git a/edubox.yml b/edubox.yml
index a850c29..76b188c 100644
--- a/edubox.yml
+++ b/edubox.yml
@@ -32,7 +32,7 @@
     ## leave empty to log in without password:
     contpwd: ""
     ## Adjust the number of containers here:
-    containers: "{{ range(0, 9 + 1) | list }}"
+    containers: "{{ range(0, 49 + 1) | list }}"
     ## Additional packages to be installed in the container:
     cont_packages_extra:
       - bind9-dnsutils