diff --git a/src/wp-includes/version.php b/src/wp-includes/version.php
index 567a193413..22c1ded365 100644
--- a/src/wp-includes/version.php
+++ b/src/wp-includes/version.php
@@ -4,7 +4,7 @@
  *
  * @global string $wp_version
  */
-$wp_version = '4.2-RC3-32249-src';
+$wp_version = '4.2-RC4-src';
 
 /**
  * Holds the WordPress DB revision, increments when changes are made to the WordPress DB schema.