diff --git a/vars/Debian.yml b/vars/Debian.yml
index 4904de1..78523d7 100644
--- a/vars/Debian.yml
+++ b/vars/Debian.yml
@@ -2,4 +2,4 @@
 exim4__package: exim4
 exim4__daemon: exim4
 exim4__configuration_file: /etc/exim4/update-exim4.conf.conf
-exim4__mailx_package: mailx-bsd
+exim4__mailx_package: bsd-mailx
diff --git a/vars/main.yml b/vars/main.yml
index f109669..fd2e15a 100644
--- a/vars/main.yml
+++ b/vars/main.yml
@@ -1,4 +1,4 @@
 ---
 # versionscheck
-playbook_version_number: 4   # should be a integer
+playbook_version_number: 5   # should be a integer
 playbook_version_path: 'do1jlr.exim4_smarthost.version'