diff --git a/wiki/manifests/init.pp b/wiki/manifests/init.pp
index 15ac6f4..1598209 100644
--- a/wiki/manifests/init.pp
+++ b/wiki/manifests/init.pp
@@ -175,6 +175,7 @@ class wiki::collab {
 
     include apache::sslserver
     include apache::mod::authnz_ldap
+    include apache::mod::authz_groupfile
     include apache::mod::ldap
     include apache::mod::rewrite
     include apache::mod::wsgi