diff --git a/build/build.xml b/build/build.xml
index 2c6311bc0c..9c57110bdd 100644
--- a/build/build.xml
+++ b/build/build.xml
@@ -2,7 +2,7 @@
 
 <project name="phpBB" description="The phpBB forum software" default="all" basedir="../">
 	<!-- a few settings for the build -->
-	<property name="newversion" value="3.1.6-RC1" />
+	<property name="newversion" value="3.1.7-dev" />
 	<property name="prevversion" value="3.1.5" />
 	<property name="olderversions" value="3.0.12, 3.0.13, 3.0.13-PL1, 3.0.14, 3.1.0, 3.1.1, 3.1.2, 3.1.3, 3.1.4" />
 	<!-- no configuration should be needed beyond this point -->
diff --git a/phpBB/includes/constants.php b/phpBB/includes/constants.php
index 3022137150..ab943c2f86 100644
--- a/phpBB/includes/constants.php
+++ b/phpBB/includes/constants.php
@@ -28,7 +28,7 @@ if (!defined('IN_PHPBB'))
 */
 
 // phpBB Version
-define('PHPBB_VERSION', '3.1.6-RC1');
+define('PHPBB_VERSION', '3.1.7-dev');
 
 // QA-related
 // define('PHPBB_QA', 1);
diff --git a/phpBB/install/schemas/schema_data.sql b/phpBB/install/schemas/schema_data.sql
index 8a56b87f2d..9af2bc13f7 100644
--- a/phpBB/install/schemas/schema_data.sql
+++ b/phpBB/install/schemas/schema_data.sql
@@ -273,7 +273,7 @@ INSERT INTO phpbb_config (config_name, config_value) VALUES ('tpl_allow_php', '0
 INSERT INTO phpbb_config (config_name, config_value) VALUES ('upload_icons_path', 'images/upload_icons');
 INSERT INTO phpbb_config (config_name, config_value) VALUES ('upload_path', 'files');
 INSERT INTO phpbb_config (config_name, config_value) VALUES ('use_system_cron', '0');
-INSERT INTO phpbb_config (config_name, config_value) VALUES ('version', '3.1.6-RC1');
+INSERT INTO phpbb_config (config_name, config_value) VALUES ('version', '3.1.7-dev');
 INSERT INTO phpbb_config (config_name, config_value) VALUES ('warnings_expire_days', '90');
 INSERT INTO phpbb_config (config_name, config_value) VALUES ('warnings_gc', '14400');