diff --git a/manifests/db_type.pp b/manifests/db_type.pp
index a819c28..6448878 100644
--- a/manifests/db_type.pp
+++ b/manifests/db_type.pp
@@ -74,6 +74,11 @@ define sunetdrive::db_type(
     content => template($mycnf_path),
     mode    => '0744',
   }
+  file { '/usr/local/bin/purge-binlogs':
+    ensure  => present,
+    content => template('sunetdrive/mariadb/purge-binlogs.erb.sh'),
+    mode    => '0744',
+  }
   file { "${mariadb_dir}/scripts/run_manual_backup_dump.sh":
     ensure  => present,
     content => template('sunetdrive/mariadb/run_manual_backup_dump.erb.sh'),
@@ -84,6 +89,13 @@ define sunetdrive::db_type(
     content => template('sunetdrive/mariadb/rename-docker.sh'),
     mode    => '0744',
   }
+  sunet::scriptherder::cronjob { 'purge_binlogs':
+    cmd           => "/usr/local/bin/purge-binlogs",
+    hour          => '6',
+    minute        => '0',
+    ok_criteria   => ['exit_status=0','max_age=2d'],
+    warn_criteria => ['exit_status=1','max_age=3d'],
+  }
   if $is_multinode {
     $docker_compose = $override_compose
   } else {
diff --git a/templates/mariadb/purge-binlogs.erb.sh b/templates/mariadb/purge-binlogs.erb.sh
new file mode 100644
index 0000000..9216db9
--- /dev/null
+++ b/templates/mariadb/purge-binlogs.erb.sh
@@ -0,0 +1,3 @@
+#!/bin/bash
+six_hours_ago=$(date -d "6 hours ago" "+%Y-%m-%d %H:%M:%S")
+docker exec mariadb_db_1 mysql -u root -p'<%= @mysql_root_password %>' -N -B -e "PURGE BINARY LOGS BEFORE '${six_hours_ago}'"