[ci skip] Prepare 3.1.4 release
diff --git a/system/core/CodeIgniter.php b/system/core/CodeIgniter.php
index 63e9563..880abab 100644
--- a/system/core/CodeIgniter.php
+++ b/system/core/CodeIgniter.php
@@ -55,7 +55,7 @@
  * @var	string
  *
  */
-	const CI_VERSION = '3.1.4-dev';
+	const CI_VERSION = '3.1.4';
 
 /*
  * ------------------------------------------------------