diff --git a/roles/libravatar/tasks/main.yml b/roles/libravatar/tasks/main.yml
index f18dbb1ec5..71c141472f 100644
--- a/roles/libravatar/tasks/main.yml
+++ b/roles/libravatar/tasks/main.yml
@@ -18,6 +18,7 @@
   - "httpd"
   - "python3-mod_wsgi"
   - "policycoreutils-python"
+  - "postfix"
 
 - git:
     repo: https://git.linux-kernel.at/oliver/ivatar.git