diff --git a/build/build.xml b/build/build.xml
index 48e58c2217..7d7d9eee64 100644
--- a/build/build.xml
+++ b/build/build.xml
@@ -2,9 +2,9 @@
 
 <project name="phpBB" description="The phpBB forum software" default="all" basedir="../">
 	<!-- a few settings for the build -->
-	<property name="newversion" value="3.3.15-RC1" />
+	<property name="newversion" value="3.3.15" />
 	<property name="prevversion" value="3.3.14" />
-	<property name="olderversions" value="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, 3.1.8, 3.1.9, 3.1.10, 3.1.11, 3.1.12, 3.2.0, 3.2.1, 3.2.2, 3.2.3, 3.2.4, 3.2.5, 3.2.6, 3.2.7, 3.2.8, 3.2.9, 3.2.10, 3.2.11, 3.3.0, 3.3.1, 3.3.2, 3.3.3, 3.3.4, 3.3.5, 3.3.6, 3.3.7, 3.3.8, 3.3.9, 3.3.10, 3.3.11, 3.3.12, 3.3.13" />
+	<property name="olderversions" value="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, 3.1.8, 3.1.9, 3.1.10, 3.1.11, 3.1.12, 3.2.0, 3.2.1, 3.2.2, 3.2.3, 3.2.4, 3.2.5, 3.2.6, 3.2.7, 3.2.8, 3.2.9, 3.2.10, 3.2.11, 3.3.0, 3.3.1, 3.3.2, 3.3.3, 3.3.4, 3.3.5, 3.3.6, 3.3.7, 3.3.8, 3.3.9, 3.3.10, 3.3.11, 3.3.12, 3.3.13, 3.3.15-RC1" />
 	<!-- no configuration should be needed beyond this point -->
 
 	<property name="oldversions" value="${olderversions}, ${prevversion}" />
diff --git a/phpBB/includes/constants.php b/phpBB/includes/constants.php
index 5502664c82..7b2e8cca22 100644
--- a/phpBB/includes/constants.php
+++ b/phpBB/includes/constants.php
@@ -28,7 +28,7 @@ if (!defined('IN_PHPBB'))
 */
 
 // phpBB Version
-@define('PHPBB_VERSION', '3.3.15-RC1');
+@define('PHPBB_VERSION', '3.3.15');
 
 // QA-related
 // define('PHPBB_QA', 1);
diff --git a/phpBB/install/phpbbcli.php b/phpBB/install/phpbbcli.php
index bcb42920c1..6291bbbad5 100755
--- a/phpBB/install/phpbbcli.php
+++ b/phpBB/install/phpbbcli.php
@@ -23,7 +23,7 @@ if (php_sapi_name() !== 'cli')
 define('IN_PHPBB', true);
 define('IN_INSTALL', true);
 define('PHPBB_ENVIRONMENT', 'production');
-define('PHPBB_VERSION', '3.3.15-RC1');
+define('PHPBB_VERSION', '3.3.15');
 $phpbb_root_path = __DIR__ . '/../';
 $phpEx = substr(strrchr(__FILE__, '.'), 1);
 
diff --git a/phpBB/install/schemas/schema_data.sql b/phpBB/install/schemas/schema_data.sql
index c848e12e8e..338af1160a 100644
--- a/phpBB/install/schemas/schema_data.sql
+++ b/phpBB/install/schemas/schema_data.sql
@@ -316,7 +316,7 @@ INSERT INTO phpbb_config (config_name, config_value) VALUES ('update_hashes_lock
 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', '3.3.15-RC1');
+INSERT INTO phpbb_config (config_name, config_value) VALUES ('version', '3.3.15');
 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');