diff --git a/db/upgrade.php b/db/upgrade.php
index 079379f..7d34548 100644
--- a/db/upgrade.php
+++ b/db/upgrade.php
@@ -201,5 +201,28 @@ function xmldb_tool_dataprivacy_upgrade($oldversion) {
         upgrade_plugin_savepoint(true, 2017111316, 'tool', 'dataprivacy');
     }
 
+    if ($oldversion < 2017111318) {
+
+        // Define field commentsformat to be added to tool_dataprivacy_request.
+        $table = new xmldb_table('tool_dataprivacy_request');
+        $field = new xmldb_field('commentsformat', XMLDB_TYPE_INTEGER, '2', null, XMLDB_NOTNULL, null, '0', 'comments');
+
+        // Conditionally launch add field commentsformat.
+        if (!$dbman->field_exists($table, $field)) {
+            $dbman->add_field($table, $field);
+        }
+
+        // Define field dpocommentformat to be added to tool_dataprivacy_request.
+        $field = new xmldb_field('dpocommentformat', XMLDB_TYPE_INTEGER, '2', null, XMLDB_NOTNULL, null, '0', 'dpocomment');
+
+        // Conditionally launch add field dpocommentformat.
+        if (!$dbman->field_exists($table, $field)) {
+            $dbman->add_field($table, $field);
+        }
+
+        // Dataprivacy savepoint reached.
+        upgrade_plugin_savepoint(true, 2017111318, 'tool', 'dataprivacy');
+    }
+
     return true;
 }
diff --git a/version.php b/version.php
index 39ec7cd..371f117 100644
--- a/version.php
+++ b/version.php
@@ -24,7 +24,7 @@
 
 defined('MOODLE_INTERNAL') || die;
 
-$plugin->version   = 2017111317;
+$plugin->version   = 2017111318;
 $plugin->requires  = 2017111304.00;        // Moodle 3.4.4 (Build: 20180517) and upwards.
 $plugin->component = 'tool_dataprivacy';
 $plugin->release   = '34.8.0';