diff --git a/build/build.xml b/build/build.xml
index 29afe03011..1827fe8ab3 100644
--- a/build/build.xml
+++ b/build/build.xml
@@ -3,8 +3,8 @@
 <project name="phpBB" description="The phpBB forum software" default="all" basedir="../">
 	<!-- a few settings for the build -->
 	<property name="newversion" value="3.1.9-dev" />
-	<property name="prevversion" value="3.1.7-pl1" />
-	<property name="olderversions" value="3.0.14, 3.1.0, 3.1.1, 3.1.2, 3.1.3, 3.1.4, 3.1.5, 3.1.6, 3.1.7-RC1, 3.1.7" />
+	<property name="newversion" value="3.1.8" />
+	<property name="olderversions" value="3.0.14, 3.1.0, 3.1.1, 3.1.2, 3.1.3, 3.1.4, 3.1.5, 3.1.6, 3.1.7, 3.1.7-pl1" />
 	<!-- no configuration should be needed beyond this point -->
 
 	<property name="oldversions" value="${olderversions}, ${prevversion}" />
diff --git a/phpBB/composer.lock b/phpBB/composer.lock
index 0d489a22da..b0545cb2a6 100644
--- a/phpBB/composer.lock
+++ b/phpBB/composer.lock
@@ -4,7 +4,7 @@
         "Read more about it at http://getcomposer.org/doc/01-basic-usage.md#composer-lock-the-lock-file",
         "This file is @generated automatically"
     ],
-    "hash": "5864f5064e1ca81dd9817ee2674b5dfd",
+    "hash": "33fa9de480a8a9c8f7e3f2926cd4c034",
     "packages": [
         {
             "name": "lusitanian/oauth",
@@ -2307,7 +2307,7 @@
     "prefer-stable": false,
     "prefer-lowest": false,
     "platform": {
-        "php": ">=5.3.3"
+        "php": ">=5.3.3,<7.0"
     },
     "platform-dev": []
 }
diff --git a/phpBB/phpbb/db/migration/data/v31x/v318.php b/phpBB/phpbb/db/migration/data/v31x/v318.php
new file mode 100644
index 0000000000..b254279a5d
--- /dev/null
+++ b/phpBB/phpbb/db/migration/data/v31x/v318.php
@@ -0,0 +1,31 @@
+<?php
+/**
+*
+* This file is part of the phpBB Forum Software package.
+*
+* @copyright (c) phpBB Limited <https://www.phpbb.com>
+* @license GNU General Public License, version 2 (GPL-2.0)
+*
+* For full copyright and license information, please see
+* the docs/CREDITS.txt file.
+*
+*/
+
+namespace phpbb\db\migration\data\v31x;
+
+class v318 extends \phpbb\db\migration\migration
+{
+	static public function depends_on()
+	{
+		return array(
+			'\phpbb\db\migration\data\v31x\v318rc1',
+		);
+	}
+
+	public function update_data()
+	{
+		return array(
+			array('config.update', array('version', '3.1.8')),
+		);
+	}
+}