diff --git a/setup/management.sh b/setup/management.sh
index cea65d41..7961aecb 100755
--- a/setup/management.sh
+++ b/setup/management.sh
@@ -25,7 +25,7 @@ done
 #
 # certbot installs EFF's certbot which we use to
 # provision free TLS certificates.
-apt_install duplicity python3-pip virtualenv certbot
+apt_install duplicity python3-pip virtualenv certbot rsync
 
 # b2sdk is used for backblaze backups.
 # boto is used for amazon aws backups.