diff --git a/themes/wporg-5ftf/functions.php b/themes/wporg-5ftf/functions.php
index ddd2627..3cd92a5 100644
--- a/themes/wporg-5ftf/functions.php
+++ b/themes/wporg-5ftf/functions.php
@@ -37,6 +37,8 @@ function setup() {
 
 	add_theme_support( 'wp-block-styles' );
 	add_theme_support( 'editor-styles' );
+	add_theme_support( 'post-thumbnails' );
+
 	add_editor_style( 'css/style-editor.css' );
 
 	add_theme_support(