diff --git a/functions.php b/functions.php
index 8ea3bbe..2fc72dd 100644
--- a/functions.php
+++ b/functions.php
@@ -109,6 +109,9 @@ function gutenbergtheme_setup() {
 				'color' => '#444',
 			),
 		) );
+
+		// Add support for responsive embeds.
+		add_theme_support( 'responsive-embeds' );
 	}
 endif;
 add_action( 'after_setup_theme', 'gutenbergtheme_setup' );