diff --git a/puppet.conf b/puppet.conf
index 9887e6c..de832e0 100644
--- a/puppet.conf
+++ b/puppet.conf
@@ -7,6 +7,7 @@ factpath=$vardir/lib/facter
 prerun_command=/etc/puppet/etckeeper-commit-pre
 postrun_command=/etc/puppet/etckeeper-commit-post
 hiera_config=/etc/puppet/hiera.yaml
+parser = future
 
 [master]
 # These are needed when the puppetmaster is run by passenger