diff --git a/README.md b/README.md
index 23f4528..817de30 100644
--- a/README.md
+++ b/README.md
@@ -137,15 +137,34 @@ To enable nagiosgraph for the client's services in the server web interface :
 class { '::nagios::client':
   service_use => 'generic-service,nagiosgraph-service',
 }
+```
 
 To override the parameters of a default template using hiera :
 
 ```yaml
----
 # Remove default warning notifications for services
 nagios::server::template_generic_service:
   notification_options: 'u,c,r'
 ```
+### Log archive retention
+
+Set `log_archives_retention_days` to automatically delete archives in
+`/var/log/nagios/archives` older than the specified number of days
+(default: keep everything).
+
+Example:
+
+```puppet
+class { '::nagios::server':
+  log_archives_retention_days => 365,
+}
+```
+
+Hiera:
+
+```yaml
+nagios::server::log_archives_retention_days: 365
+```
 
 ## Hints
 
diff --git a/manifests/server.pp b/manifests/server.pp
index 91512ff..a50c5e2 100644
--- a/manifests/server.pp
+++ b/manifests/server.pp
@@ -100,6 +100,7 @@
   $plugin_redis_sentinel = false,
   $selinux               = true,
   $check_for_updates     = true,
+  Optional[Integer] $log_archives_mtime    = undef,
   # Original template entries
   $template_generic_contact = {},
   $template_generic_host    = {},
@@ -1340,4 +1341,14 @@
     }
   }
 
+  # When $log_archives_mtime we configure the prune job
+  if $log_archives_mtime {
+    cron { 'nagios-archives-prune':
+      ensure  => present,
+      user    => 'nagios',
+      minute  => '15',
+      hour    => '3',
+      command => "/usr/bin/find /var/log/nagios/archives -type f -name 'nagios-*.log*' -mtime +${log_archives_mtime} -delete",
+    }
+  }
 }