diff --git a/.gitmodules b/.gitmodules
index 2e44f28..4339170 100644
--- a/.gitmodules
+++ b/.gitmodules
@@ -34,3 +34,6 @@
 [submodule "modules/unittest"]
 	path = modules/unittest
 	url = git@github.com:kohana/unittest.git
+[submodule "modules/migrations"]
+	path = modules/migrations
+	url = git@github.com:kohana-minion/tasks-migrations.git
diff --git a/application/bootstrap.php b/application/bootstrap.php
index 1b99441..5769a98 100644
--- a/application/bootstrap.php
+++ b/application/bootstrap.php
@@ -116,6 +116,7 @@ Kohana::modules(array(
 	 'minion'        => MODPATH.'minion',            // CLI framework
 	 'config-writer' => MODPATH.'config-writer',     // Write to PHP configs
 	 'cache'         => MODPATH.'cache',             // Object caching
+	 'migrations'    => MODPATH.'migrations',        // SQL migrations
 	));
 
 /**
diff --git a/application/migrations/kangana/20140205200807.php b/application/migrations/kangana/20140205200807.php
new file mode 100644
index 0000000..78c0cc2
--- /dev/null
+++ b/application/migrations/kangana/20140205200807.php
@@ -0,0 +1,141 @@
+<?php defined('SYSPATH') OR die('No direct script access.');
+
+class Migration_Kangana_20140205200807 extends Minion_Migration_Base {
+
+	/**
+	 * Run queries needed to apply this migration
+	 *
+	 * @param Kohana_Database $db Database connection
+	 */
+	public function up(Kohana_Database $db)
+	{
+		$db->query(NULL, "
+CREATE TABLE IF NOT EXISTS `clients` (
+  `id` int(11) NOT NULL AUTO_INCREMENT,
+  `email` varchar(255) NOT NULL,
+  `name` varchar(255) NOT NULL,
+  `token` varchar(64) NOT NULL,
+  PRIMARY KEY (`id`)
+) ENGINE=InnoDB;");
+		
+    $db->query(NULL, "
+CREATE TABLE IF NOT EXISTS `clients_courses` (
+  `id` int(11) NOT NULL AUTO_INCREMENT,
+  `client_id` int(11) DEFAULT NULL,
+  `course_id` int(11) DEFAULT NULL,
+  PRIMARY KEY (`id`),
+  KEY `fk_clients_courses_1_idx` (`client_id`),
+  KEY `fk_clients_courses_2_idx` (`course_id`)
+) ENGINE=InnoDB;");
+    
+    $db->query(NULL, "
+CREATE TABLE IF NOT EXISTS `letters` (
+  `id` int(11) NOT NULL AUTO_INCREMENT,
+  `text` longtext,
+  `course_id` int(11) DEFAULT NULL,
+  `order` int(11) DEFAULT NULL,
+  `subject` varchar(128) NOT NULL,
+  PRIMARY KEY (`id`),
+  KEY `fk_letters_1_idx` (`course_id`)
+) ENGINE=InnoDB;");
+
+    $db->query(NULL, "
+CREATE TABLE IF NOT EXISTS `pages` (
+  `id` int(11) unsigned NOT NULL AUTO_INCREMENT,
+  `name` text NOT NULL,
+  `content` longtext NOT NULL,
+  `is_draft` int(1) NOT NULL DEFAULT '0',
+  `posted_at` timestamp NOT NULL DEFAULT CURRENT_TIMESTAMP,
+  PRIMARY KEY (`id`)
+) ENGINE=InnoDB;");
+
+    $db->query(NULL, "
+CREATE TABLE IF NOT EXISTS `courses` (
+  `id` int(11) NOT NULL AUTO_INCREMENT,
+  `title` varchar(100) DEFAULT NULL,
+  `price` decimal(10,2) DEFAULT '0.00',
+  `period` int(11) DEFAULT NULL COMMENT 'period in days (1 = daily, 7 = weekly etc.)',
+  `description` tinytext,
+  PRIMARY KEY (`id`)
+) ENGINE=InnoDB;");
+
+    $db->query(NULL, "
+CREATE TABLE IF NOT EXISTS `tasks` (
+  `id` int(11) NOT NULL AUTO_INCREMENT,
+  `letter_id` int(11) DEFAULT NULL,
+  `client_id` int(11) DEFAULT NULL,
+  `date` date DEFAULT NULL,
+  `status` int(11) DEFAULT NULL COMMENT 'status flag (see php model)',
+  PRIMARY KEY (`id`),
+  KEY `fk_mail_queue_1_idx` (`client_id`),
+  KEY `fk_mail_queue_2_idx` (`letter_id`)
+) ENGINE=InnoDB;");
+
+    $db->query(NULL, "
+CREATE TABLE IF NOT EXISTS `subscriptions` (
+  `id` int(11) NOT NULL AUTO_INCREMENT,
+  `title` varchar(100) DEFAULT NULL,
+  `price` decimal(10,2) DEFAULT NULL,
+  `description` tinytext,
+  PRIMARY KEY (`id`)
+) ENGINE=InnoDB;");
+
+    $db->query(NULL, "
+CREATE TABLE IF NOT EXISTS `clients_subscriptions` (
+  `id` int(11) NOT NULL,
+  `client_id` int(11) NOT NULL,
+  `subscription_id` int(11) NOT NULL,
+  PRIMARY KEY (`id`),
+  KEY `fk_table1_2_idx` (`client_id`),
+  KEY `fk_table1_1_idx` (`subscription_id`),
+  CONSTRAINT `fk_table1_1` FOREIGN KEY (`subscription_id`) REFERENCES `subscriptions` (`id`) ON DELETE NO ACTION ON UPDATE NO ACTION,
+  CONSTRAINT `fk_table1_2` FOREIGN KEY (`client_id`) REFERENCES `clients` (`id`) ON DELETE NO ACTION ON UPDATE NO ACTION
+) ENGINE=InnoDB;");
+
+    $db->query(NULL, "
+CREATE TABLE IF NOT EXISTS `instants` (
+  `id` int(11) NOT NULL AUTO_INCREMENT,
+  `subject` varchar(128) DEFAULT NULL,
+  `text` longtext,
+  `subscription_id` int(11) DEFAULT NULL,
+  `is_draft` int(11) DEFAULT '0',
+  `timestamp` timestamp NULL DEFAULT CURRENT_TIMESTAMP,
+  PRIMARY KEY (`id`),
+  KEY `fk_instants_1_idx` (`subscription_id`),
+  CONSTRAINT `fk_instants_1` FOREIGN KEY (`subscription_id`) REFERENCES `subscriptions` (`id`) ON DELETE NO ACTION ON UPDATE NO ACTION
+) ENGINE=InnoDB;");
+
+    $db->query(NULL, "
+ALTER TABLE `clients_courses`
+  ADD CONSTRAINT `fk_clients_courses_1` FOREIGN KEY (`client_id`) REFERENCES `clients` (`id`) ON DELETE NO ACTION ON UPDATE NO ACTION,
+  ADD CONSTRAINT `fk_clients_courses_2` FOREIGN KEY (`course_id`) REFERENCES `courses` (`id`) ON DELETE NO ACTION ON UPDATE NO ACTION;");
+
+    $db->query(NULL, "
+ALTER TABLE `letters`
+  ADD CONSTRAINT `fk_letters_1` FOREIGN KEY (`course_id`) REFERENCES `courses` (`id`) ON DELETE NO ACTION ON UPDATE NO ACTION;");
+
+    $db->query(NULL, "
+ALTER TABLE `tasks`
+  ADD CONSTRAINT `fk_mail_queue_1` FOREIGN KEY (`client_id`) REFERENCES `clients` (`id`) ON DELETE NO ACTION ON UPDATE NO ACTION,
+  ADD CONSTRAINT `fk_mail_queue_2` FOREIGN KEY (`letter_id`) REFERENCES `letters` (`id`) ON DELETE NO ACTION ON UPDATE NO ACTION;");
+	}
+
+	/**
+	 * Run queries needed to remove this migration
+	 *
+	 * @param Kohana_Database $db Database connection
+	 */
+	public function down(Kohana_Database $db)
+	{
+    $db->query(NULL, 'DROP TABLE IF EXISTS `instants`;');
+    $db->query(NULL, 'DROP TABLE IF EXISTS `clients_courses`;');
+    $db->query(NULL, 'DROP TABLE IF EXISTS `clients_subscriptions`;');
+    $db->query(NULL, 'DROP TABLE IF EXISTS `tasks`;');
+    $db->query(NULL, 'DROP TABLE IF EXISTS `letters`;');
+    $db->query(NULL, 'DROP TABLE IF EXISTS `pages`;');
+    $db->query(NULL, 'DROP TABLE IF EXISTS `courses`;');
+    $db->query(NULL, 'DROP TABLE IF EXISTS `subscriptions`;');
+    $db->query(NULL, 'DROP TABLE IF EXISTS `clients`;');
+  }
+
+}
diff --git a/modules/migrations b/modules/migrations
new file mode 160000
index 0000000..5f58475
--- /dev/null
+++ b/modules/migrations
@@ -0,0 +1 @@
+Subproject commit 5f584751d91f0348e96a989ed2b8d0ed399dbc1f