diff --git a/wp-admin/includes/class-wp-plugin-install-list-table.php b/wp-admin/includes/class-wp-plugin-install-list-table.php
index 0b2de90613..52f4510fbb 100644
--- a/wp-admin/includes/class-wp-plugin-install-list-table.php
+++ b/wp-admin/includes/class-wp-plugin-install-list-table.php
@@ -85,7 +85,7 @@ class WP_Plugin_Install_List_Table extends WP_List_Table {
 	 * @global string $term
 	 */
 	public function prepare_items() {
-		include( ABSPATH . 'wp-admin/includes/plugin-install.php' );
+		include_once( ABSPATH . 'wp-admin/includes/plugin-install.php' );
 
 		global $tabs, $tab, $paged, $type, $term;
 
diff --git a/wp-includes/version.php b/wp-includes/version.php
index ddd6c0d193..5bedabda24 100644
--- a/wp-includes/version.php
+++ b/wp-includes/version.php
@@ -13,7 +13,7 @@
  *
  * @global string $wp_version
  */
-$wp_version = '5.3-alpha-45750';
+$wp_version = '5.3-alpha-45751';
 
 /**
  * Holds the WordPress DB revision, increments when changes are made to the WordPress DB schema.