diff --git a/testsite/group_vars/all.yml b/testsite/group_vars/all.yml
index d075af6de1d7dc015a1315f70e7175a21c8b6d2d..b506abcb15b9fd2ccd780e92d1f9703b10263d02 100644
--- a/testsite/group_vars/all.yml
+++ b/testsite/group_vars/all.yml
@@ -18,15 +18,16 @@ os_users:
 
 os_groups:
   - name: office
-    gid: 2000
+    gid: 1500
   - name: developer
-    gid: 2001
+    gid: 1501
 
 common_packages:
   - emacs24-nox
   - screen
   - debconf-utils
   - colordiff
+  - unzip
 
 ca_certificates:
   - "{{ inventory_dir }}/tls/example_ca_chain.pem"