diff --git a/global/overlay/etc/puppet/modules/cdn/manifests/l4lb.pp b/global/overlay/etc/puppet/modules/cdn/manifests/l4lb.pp
index 49b7290..7b28cb4 100644
--- a/global/overlay/etc/puppet/modules/cdn/manifests/l4lb.pp
+++ b/global/overlay/etc/puppet/modules/cdn/manifests/l4lb.pp
@@ -17,6 +17,8 @@ class cdn::l4lb(
 
   include sunet::systemd_reload
 
+  package {'conntrack': ensure => installed }
+
   package {'bird2': ensure => installed }
 
   file { '/opt/sunet-cdn':