diff --git a/tasks/install.yml b/tasks/install.yml
index b643bab..f5523a3 100644
--- a/tasks/install.yml
+++ b/tasks/install.yml
@@ -19,5 +19,6 @@
       - opendkim
       - opendkim-tools
       - python3-pymysql
+      - prometheus-postfix-exporter
     state: latest
     update_cache: true