diff --git a/playbooks/roles/backup/files/bup-excludes b/playbooks/roles/backup/files/bup-excludes
index d5e0727e88..e21bcd3772 100644
--- a/playbooks/roles/backup/files/bup-excludes
+++ b/playbooks/roles/backup/files/bup-excludes
@@ -15,6 +15,7 @@
 /etc/puppet/modules/*
 /etc/puppet/hieradata/*
 /var/cache/*
+/var/lib/docker/*
 /var/lib/puppet/reports/*
 /var/lib/postgresql/*
 /var/lib/lxcfs/*