diff --git a/src/wp-content/themes/twentyeleven/header.php b/src/wp-content/themes/twentyeleven/header.php
index 2d69a0bc8b..1bfb2781b1 100644
--- a/src/wp-content/themes/twentyeleven/header.php
+++ b/src/wp-content/themes/twentyeleven/header.php
@@ -48,7 +48,7 @@ if ( ( $paged >= 2 || $page >= 2 ) && ! is_404() ) {
 
 ?>
 	</title>
-<link rel="profile" href="http://gmpg.org/xfn/11" />
+<link rel="profile" href="https://gmpg.org/xfn/11" />
 <link rel="stylesheet" type="text/css" media="all" href="<?php bloginfo( 'stylesheet_url' ); ?>?ver=20190507" />
 <link rel="pingback" href="<?php echo esc_url( get_bloginfo( 'pingback_url' ) ); ?>">
 <!--[if lt IE 9]>
diff --git a/src/wp-content/themes/twentyfifteen/header.php b/src/wp-content/themes/twentyfifteen/header.php
index 5ad5051877..614cca89e2 100644
--- a/src/wp-content/themes/twentyfifteen/header.php
+++ b/src/wp-content/themes/twentyfifteen/header.php
@@ -13,7 +13,7 @@
 <head>
 	<meta charset="<?php bloginfo( 'charset' ); ?>">
 	<meta name="viewport" content="width=device-width">
-	<link rel="profile" href="http://gmpg.org/xfn/11">
+	<link rel="profile" href="https://gmpg.org/xfn/11">
 	<link rel="pingback" href="<?php echo esc_url( get_bloginfo( 'pingback_url' ) ); ?>">
 	<!--[if lt IE 9]>
 	<script src="<?php echo esc_url( get_template_directory_uri() ); ?>/js/html5.js?ver=3.7.0"></script>
diff --git a/src/wp-content/themes/twentyfourteen/header.php b/src/wp-content/themes/twentyfourteen/header.php
index 21d1a546cb..4bedca640f 100644
--- a/src/wp-content/themes/twentyfourteen/header.php
+++ b/src/wp-content/themes/twentyfourteen/header.php
@@ -22,7 +22,7 @@
 	<meta charset="<?php bloginfo( 'charset' ); ?>">
 	<meta name="viewport" content="width=device-width">
 	<title><?php wp_title( '|', true, 'right' ); ?></title>
-	<link rel="profile" href="http://gmpg.org/xfn/11">
+	<link rel="profile" href="https://gmpg.org/xfn/11">
 	<link rel="pingback" href="<?php echo esc_url( get_bloginfo( 'pingback_url' ) ); ?>">
 	<!--[if lt IE 9]>
 	<script src="<?php echo get_template_directory_uri(); ?>/js/html5.js?ver=3.7.0"></script>
diff --git a/src/wp-content/themes/twentyseventeen/header.php b/src/wp-content/themes/twentyseventeen/header.php
index 9ea7aa5be8..c041fd0779 100644
--- a/src/wp-content/themes/twentyseventeen/header.php
+++ b/src/wp-content/themes/twentyseventeen/header.php
@@ -17,7 +17,7 @@
 <head>
 <meta charset="<?php bloginfo( 'charset' ); ?>">
 <meta name="viewport" content="width=device-width, initial-scale=1">
-<link rel="profile" href="http://gmpg.org/xfn/11">
+<link rel="profile" href="https://gmpg.org/xfn/11">
 
 <?php wp_head(); ?>
 </head>
diff --git a/src/wp-content/themes/twentysixteen/header.php b/src/wp-content/themes/twentysixteen/header.php
index a5cfee6a47..28c587857b 100644
--- a/src/wp-content/themes/twentysixteen/header.php
+++ b/src/wp-content/themes/twentysixteen/header.php
@@ -14,7 +14,7 @@
 <head>
 	<meta charset="<?php bloginfo( 'charset' ); ?>">
 	<meta name="viewport" content="width=device-width, initial-scale=1">
-	<link rel="profile" href="http://gmpg.org/xfn/11">
+	<link rel="profile" href="https://gmpg.org/xfn/11">
 	<?php if ( is_singular() && pings_open( get_queried_object() ) ) : ?>
 	<link rel="pingback" href="<?php echo esc_url( get_bloginfo( 'pingback_url' ) ); ?>">
 	<?php endif; ?>
diff --git a/src/wp-content/themes/twentyten/header.php b/src/wp-content/themes/twentyten/header.php
index 0349d0489c..17dd16c7a5 100644
--- a/src/wp-content/themes/twentyten/header.php
+++ b/src/wp-content/themes/twentyten/header.php
@@ -38,7 +38,7 @@ if ( ( $paged >= 2 || $page >= 2 ) && ! is_404() ) {
 
 ?>
 	</title>
-<link rel="profile" href="http://gmpg.org/xfn/11" />
+<link rel="profile" href="https://gmpg.org/xfn/11" />
 <link rel="stylesheet" type="text/css" media="all" href="<?php bloginfo( 'stylesheet_url' ); ?>?ver=20190507" />
 <link rel="pingback" href="<?php echo esc_url( get_bloginfo( 'pingback_url' ) ); ?>">
 <?php
diff --git a/src/wp-content/themes/twentythirteen/header.php b/src/wp-content/themes/twentythirteen/header.php
index 92c54e94ad..7fdf9c791b 100644
--- a/src/wp-content/themes/twentythirteen/header.php
+++ b/src/wp-content/themes/twentythirteen/header.php
@@ -22,7 +22,7 @@
 	<meta charset="<?php bloginfo( 'charset' ); ?>">
 	<meta name="viewport" content="width=device-width">
 	<title><?php wp_title( '|', true, 'right' ); ?></title>
-	<link rel="profile" href="http://gmpg.org/xfn/11">
+	<link rel="profile" href="https://gmpg.org/xfn/11">
 	<link rel="pingback" href="<?php echo esc_url( get_bloginfo( 'pingback_url' ) ); ?>">
 	<!--[if lt IE 9]>
 	<script src="<?php echo get_template_directory_uri(); ?>/js/html5.js?ver=3.7.0"></script>
diff --git a/src/wp-content/themes/twentytwelve/header.php b/src/wp-content/themes/twentytwelve/header.php
index 2888cd8ee3..8f15a76176 100644
--- a/src/wp-content/themes/twentytwelve/header.php
+++ b/src/wp-content/themes/twentytwelve/header.php
@@ -22,7 +22,7 @@
 <meta charset="<?php bloginfo( 'charset' ); ?>" />
 <meta name="viewport" content="width=device-width" />
 <title><?php wp_title( '|', true, 'right' ); ?></title>
-<link rel="profile" href="http://gmpg.org/xfn/11" />
+<link rel="profile" href="https://gmpg.org/xfn/11" />
 <link rel="pingback" href="<?php echo esc_url( get_bloginfo( 'pingback_url' ) ); ?>">
 <?php // Loads HTML5 JavaScript file to add support for HTML5 elements in older IE versions. ?>
 <!--[if lt IE 9]>
diff --git a/src/wp-includes/theme-compat/header.php b/src/wp-includes/theme-compat/header.php
index 59aa3c9fc8..daa0088d23 100644
--- a/src/wp-includes/theme-compat/header.php
+++ b/src/wp-includes/theme-compat/header.php
@@ -18,7 +18,7 @@ _deprecated_file(
 <!DOCTYPE html>
 <html <?php language_attributes(); ?>>
 <head>
-<link rel="profile" href="http://gmpg.org/xfn/11" />
+<link rel="profile" href="https://gmpg.org/xfn/11" />
 <meta http-equiv="Content-Type" content="<?php bloginfo( 'html_type' ); ?>; charset=<?php bloginfo( 'charset' ); ?>" />
 
 <title><?php echo wp_get_document_title(); ?></title>
