diff --git a/wp-admin/about.php b/wp-admin/about.php
index 606a369954..3b94e993ec 100644
--- a/wp-admin/about.php
+++ b/wp-admin/about.php
@@ -40,6 +40,26 @@ include( ABSPATH . 'wp-admin/admin-header.php' );
 
 		<div class="changelog point-releases">
 			<h3><?php _e( 'Maintenance and Security Releases' ); ?></h3>
+			<p>
+				<?php
+				printf(
+					/* translators: %s: WordPress version number */
+					__( '<strong>Version %s</strong> addressed some security issues.' ),
+					'4.5.22'
+				);
+				?>
+				<?php
+				printf(
+					/* translators: %s: HelpHub URL */
+					__( 'For more information, see <a href="%s">the release notes</a>.' ),
+					sprintf(
+						/* translators: %s: WordPress version */
+						esc_url( __( 'https://wordpress.org/support/wordpress-version/version-%s/' ) ),
+						sanitize_title( '4.5.22' )
+					)
+				);
+				?>
+			</p>
 			<p>
 				<?php
 				printf(
@@ -110,10 +130,10 @@ include( ABSPATH . 'wp-admin/admin-header.php' );
 				?>
 				<?php
 				printf(
-				/* translators: %s: HelpHub URL */
+					/* translators: %s: HelpHub URL */
 					__( 'For more information, see <a href="%s">the release notes</a>.' ),
 					sprintf(
-					/* translators: %s: WordPress version */
+						/* translators: %s: WordPress version */
 						esc_url( __( 'https://wordpress.org/support/wordpress-version/version-%s/' ) ),
 						sanitize_title( '4.5.18' )
 					)
diff --git a/wp-includes/version.php b/wp-includes/version.php
index bc754d03a3..098b1bb530 100644
--- a/wp-includes/version.php
+++ b/wp-includes/version.php
@@ -4,7 +4,7 @@
  *
  * @global string $wp_version
  */
-$wp_version = '4.5.21';
+$wp_version = '4.5.22';
 
 /**
  * Holds the WordPress DB revision, increments when changes are made to the WordPress DB schema.