diff --git a/readme.html b/readme.html
index f09135ac51..e29c0929cb 100644
--- a/readme.html
+++ b/readme.html
@@ -9,7 +9,7 @@
 <body>
 <h1 id="logo">
 	<a href="https://wordpress.org/"><img alt="WordPress" src="wp-admin/images/wordpress-logo.png" /></a>
-	<br /> Version 4.2
+	<br /> Version 4.3
 </h1>
 <p style="text-align: center">Semantic Personal Publishing Platform</p>
 
diff --git a/wp-includes/version.php b/wp-includes/version.php
index 4ee0af564f..0fbf6c78c4 100644
--- a/wp-includes/version.php
+++ b/wp-includes/version.php
@@ -4,7 +4,7 @@
  *
  * @global string $wp_version
  */
-$wp_version = '4.2-RC4-32277';
+$wp_version = '4.3-alpha-32280';
 
 /**
  * Holds the WordPress DB revision, increments when changes are made to the WordPress DB schema.
