diff --git a/package-lock.json b/package-lock.json
index 35ea5a5f9ad92..e72e76a6fdf66 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -10,7 +10,7 @@
 			"hasInstallScript": true,
 			"license": "GPL-2.0-or-later",
 			"dependencies": {
-				"backbone": "1.6.0",
+				"backbone": "1.6.1",
 				"clipboard": "2.0.11",
 				"codemirror": "5.65.20",
 				"core-js-url-browser": "3.6.4",
@@ -8525,9 +8525,9 @@
 			}
 		},
 		"node_modules/backbone": {
-			"version": "1.6.0",
-			"resolved": "https://registry.npmjs.org/backbone/-/backbone-1.6.0.tgz",
-			"integrity": "sha512-13PUjmsgw/49EowNcQvfG4gmczz1ximTMhUktj0Jfrjth0MVaTxehpU+qYYX4MxnuIuhmvBLC6/ayxuAGnOhbA==",
+			"version": "1.6.1",
+			"resolved": "https://registry.npmjs.org/backbone/-/backbone-1.6.1.tgz",
+			"integrity": "sha512-YQzWxOrIgL6BoFnZjThVN99smKYhyEXXFyJJ2lsF1wJLyo4t+QjmkLrH8/fN22FZ4ykF70Xq7PgTugJVR4zS9Q==",
 			"dependencies": {
 				"underscore": ">=1.8.3"
 			}
diff --git a/package.json b/package.json
index 32bf58542f96f..da20b01e75fbe 100644
--- a/package.json
+++ b/package.json
@@ -74,7 +74,7 @@
 		"webpack": "5.98.0"
 	},
 	"dependencies": {
-		"backbone": "1.6.0",
+		"backbone": "1.6.1",
 		"clipboard": "2.0.11",
 		"codemirror": "5.65.20",
 		"core-js-url-browser": "3.6.4",
@@ -138,4 +138,4 @@
 		"sync-gutenberg-packages": "grunt sync-gutenberg-packages",
 		"postsync-gutenberg-packages": "grunt wp-packages:sync-stable-blocks && grunt build --dev && grunt build"
 	}
-}
+}
\ No newline at end of file
diff --git a/src/wp-includes/script-loader.php b/src/wp-includes/script-loader.php
index f6505197185b7..6d1b7dee5d0bf 100644
--- a/src/wp-includes/script-loader.php
+++ b/src/wp-includes/script-loader.php
@@ -1060,7 +1060,7 @@ function wp_default_scripts( $scripts ) {
 	did_action( 'init' ) && $scripts->add_data( 'json2', 'conditional', '_required-conditional-dependency_' );
 
 	$scripts->add( 'underscore', "/wp-includes/js/underscore$dev_suffix.js", array(), '1.13.7', 1 );
-	$scripts->add( 'backbone', "/wp-includes/js/backbone$dev_suffix.js", array( 'underscore', 'jquery' ), '1.6.0', 1 );
+	$scripts->add( 'backbone', "/wp-includes/js/backbone$dev_suffix.js", array( 'underscore', 'jquery' ), '1.6.1', 1 );
 
 	$scripts->add( 'wp-util', "/wp-includes/js/wp-util$suffix.js", array( 'underscore', 'jquery' ), false, 1 );
 	did_action( 'init' ) && $scripts->localize(