diff --git a/src/swoole/constants.php b/src/swoole/constants.php
index d8e836c..d3f2364 100644
--- a/src/swoole/constants.php
+++ b/src/swoole/constants.php
@@ -5,11 +5,11 @@
 /*
  * Swoole version information.
  */
-define('SWOOLE_VERSION', '5.1.4');
-define('SWOOLE_VERSION_ID', 50104);
+define('SWOOLE_VERSION', '5.1.5');
+define('SWOOLE_VERSION_ID', 50105);
 define('SWOOLE_MAJOR_VERSION', 5);
 define('SWOOLE_MINOR_VERSION', 1);
-define('SWOOLE_RELEASE_VERSION', 4);
+define('SWOOLE_RELEASE_VERSION', 5);
 define('SWOOLE_EXTRA_VERSION', '');
 
 /*