diff --git a/wp-content/themes/twentytwentyone/assets/js/primary-navigation.js b/wp-content/themes/twentytwentyone/assets/js/primary-navigation.js
index 4f3fc3caa6..ec559619a1 100644
--- a/wp-content/themes/twentytwentyone/assets/js/primary-navigation.js
+++ b/wp-content/themes/twentytwentyone/assets/js/primary-navigation.js
@@ -150,6 +150,23 @@ function twentytwentyoneExpandSubMenu( el ) { // jshint ignore:line
 			}
 		} );
 
+		/**
+		 * Close menu and scroll to anchor when an anchor link is clicked.
+		 * Adapted from TwentyTwenty.
+		 */
+		document.addEventListener( 'click', function( event ) {
+			// If target onclick is <a> with # within the href attribute
+			if ( event.target.hash && event.target.hash.includes( '#' ) ) {
+				wrapper.classList.remove( id + '-navigation-open', 'lock-scrolling' );
+				twentytwentyoneToggleAriaExpanded( mobileButton );
+				// Wait 550 and scroll to the anchor.
+				setTimeout(function () {
+					var anchor = document.getElementById(event.target.hash.slice(1));
+					anchor.scrollIntoView();
+				}, 550);
+			}
+		} );
+
 		document.getElementById( 'site-navigation' ).querySelectorAll( '.menu-wrapper > .menu-item-has-children' ).forEach( function( li ) {
 			li.addEventListener( 'mouseenter', function() {
 				this.querySelector( '.sub-menu-toggle' ).setAttribute( 'aria-expanded', 'true' );
diff --git a/wp-includes/version.php b/wp-includes/version.php
index 98a0b9517d..fa50d98502 100644
--- a/wp-includes/version.php
+++ b/wp-includes/version.php
@@ -13,7 +13,7 @@
  *
  * @global string $wp_version
  */
-$wp_version = '5.7-alpha-49850';
+$wp_version = '5.7-alpha-49854';
 
 /**
  * Holds the WordPress DB revision, increments when changes are made to the WordPress DB schema.