diff --git a/app/DoctrineMigrations/Version20161022134138.php b/app/DoctrineMigrations/Version20161022134138.php
new file mode 100644
index 000000000..5cce55a5e
--- /dev/null
+++ b/app/DoctrineMigrations/Version20161022134138.php
@@ -0,0 +1,77 @@
+<?php
+
+namespace Application\Migrations;
+
+use Doctrine\DBAL\Migrations\AbstractMigration;
+use Doctrine\DBAL\Schema\Schema;
+use Symfony\Component\DependencyInjection\ContainerAwareInterface;
+use Symfony\Component\DependencyInjection\ContainerInterface;
+
+class Version20161022134138 extends AbstractMigration implements ContainerAwareInterface
+{
+    /**
+     * @var ContainerInterface
+     */
+    private $container;
+
+    public function setContainer(ContainerInterface $container = null)
+    {
+        $this->container = $container;
+    }
+
+    private function getTable($tableName)
+    {
+        return $this->container->getParameter('database_table_prefix') . $tableName;
+    }
+
+    /**
+     * @param Schema $schema
+     */
+    public function up(Schema $schema)
+    {
+        $this->skipIf($this->connection->getDatabasePlatform()->getName() !== 'mysql', 'This migration only apply to MySQL');
+
+        $this->addSql('ALTER DATABASE '.$this->container->getParameter('database_name').' CHARACTER SET = utf8mb4 COLLATE = utf8mb4_unicode_ci;');
+
+        $this->addSql('ALTER TABLE '.$this->getTable('annotation').' CONVERT TO CHARACTER SET utf8mb4 COLLATE utf8mb4_unicode_ci;');
+        $this->addSql('ALTER TABLE '.$this->getTable('entry').' CONVERT TO CHARACTER SET utf8mb4 COLLATE utf8mb4_unicode_ci;');
+        $this->addSql('ALTER TABLE '.$this->getTable('tag').' CONVERT TO CHARACTER SET utf8mb4 COLLATE utf8mb4_unicode_ci;');
+        $this->addSql('ALTER TABLE '.$this->getTable('user').' CONVERT TO CHARACTER SET utf8mb4 COLLATE utf8mb4_unicode_ci;');
+
+        $this->addSql('ALTER TABLE '.$this->getTable('annotation').' CHANGE `text` `text` longtext CHARACTER SET utf8mb4 COLLATE utf8mb4_unicode_ci;');
+        $this->addSql('ALTER TABLE '.$this->getTable('annotation').' CHANGE `quote` `quote` VARCHAR(191) CHARACTER SET utf8mb4 COLLATE utf8mb4_unicode_ci;');
+
+        $this->addSql('ALTER TABLE '.$this->getTable('entry').' CHANGE `title` `title` longtext CHARACTER SET utf8mb4 COLLATE utf8mb4_unicode_ci;');
+        $this->addSql('ALTER TABLE '.$this->getTable('entry').' CHANGE `content` `content` longtext CHARACTER SET utf8mb4 COLLATE utf8mb4_unicode_ci;');
+
+        $this->addSql('ALTER TABLE '.$this->getTable('tag').' CHANGE `label` `label` longtext CHARACTER SET utf8mb4 COLLATE utf8mb4_unicode_ci;');
+
+        $this->addSql('ALTER TABLE '.$this->getTable('user').' CHANGE `name` `name` longtext CHARACTER SET utf8mb4 COLLATE utf8mb4_unicode_ci;');
+    }
+
+    /**
+     * @param Schema $schema
+     */
+    public function down(Schema $schema)
+    {
+        $this->skipIf($this->connection->getDatabasePlatform()->getName() !== 'mysql', 'This migration only apply to MySQL');
+
+        $this->addSql('ALTER DATABASE '.$this->container->getParameter('database_name').' CHARACTER SET = utf8 COLLATE = utf8_unicode_ci;');
+
+        $this->addSql('ALTER TABLE '.$this->getTable('annotation').' CONVERT TO CHARACTER SET utf8 COLLATE utf8_unicode_ci;');
+        $this->addSql('ALTER TABLE '.$this->getTable('entry').' CONVERT TO CHARACTER SET utf8 COLLATE utf8_unicode_ci;');
+        $this->addSql('ALTER TABLE '.$this->getTable('tag').' CONVERT TO CHARACTER SET utf8 COLLATE utf8_unicode_ci;');
+        $this->addSql('ALTER TABLE '.$this->getTable('user').' CONVERT TO CHARACTER SET utf8 COLLATE utf8_unicode_ci;');
+
+        $this->addSql('ALTER TABLE '.$this->getTable('annotation').' CHANGE `text` `text` longtext CHARACTER SET utf8 COLLATE utf8_unicode_ci;');
+        $this->addSql('ALTER TABLE '.$this->getTable('annotation').' CHANGE `quote` `quote` VARCHAR(255) CHARACTER SET utf8 COLLATE utf8_unicode_ci;');
+
+        $this->addSql('ALTER TABLE '.$this->getTable('entry').' CHANGE `title` `title` longtext CHARACTER SET utf8 COLLATE utf8_unicode_ci;');
+        $this->addSql('ALTER TABLE '.$this->getTable('entry').' CHANGE `content` `content` longtext CHARACTER SET utf8 COLLATE utf8_unicode_ci;');
+
+        $this->addSql('ALTER TABLE '.$this->getTable('tag').' CHANGE `label` `label` longtext CHARACTER SET utf8 COLLATE utf8_unicode_ci;');
+
+        $this->addSql('ALTER TABLE '.$this->getTable('user').' CHANGE `name` `name` longtext CHARACTER SET utf8 COLLATE utf8_unicode_ci;');
+
+    }
+}