diff --git a/defaults/main.yml b/defaults/main.yml
index 43d957a..b575552 100644
--- a/defaults/main.yml
+++ b/defaults/main.yml
@@ -11,6 +11,8 @@ certbot_work_dir: /var/lib/letsencrypt
 certbot_config_dir: /etc/letsencrypt
 certbot_log_dir: /var/log/letsencrypt
 
+certbot_max_log_backups: 30
+
 certbot_preferred_challenges: dns
 certbot_server: https://acme-v02.api.letsencrypt.org/directory
 certbot_email: mail@example.com
diff --git a/tasks/install.yml b/tasks/install.yml
index 1c2113b..8043e4d 100644
--- a/tasks/install.yml
+++ b/tasks/install.yml
@@ -91,6 +91,7 @@
           --config-dir {{ certbot_config_dir }}
           --work-dir {{ certbot_work_dir }}
           --logs-dir {{ certbot_log_dir }}
+          --max-log-backups {{ certbot_max_log_backups }}
           {{ certbot_command_arguments | join(' ') }}
           -n -d {{ item.domains | join(',') }}
         cron_file: "{{ certbot_cron_file | default(omit) }}"
diff --git a/tasks/setup.yml b/tasks/setup.yml
index 0971369..3375007 100644
--- a/tasks/setup.yml
+++ b/tasks/setup.yml
@@ -5,6 +5,7 @@
     --config-dir {{ certbot_config_dir }}
     --work-dir {{ certbot_work_dir }}
     --logs-dir {{ certbot_log_dir }}
+    --max-log-backups {{ certbot_max_log_backups }}
     --agree-tos
     {{ certbot_command_arguments | join(' ') }}
     -n -d {{ item.domains | join(',') }}