diff --git a/core/CHANGELOG.txt b/core/CHANGELOG.txt
index 1148599..4d664d3 100644
--- a/core/CHANGELOG.txt
+++ b/core/CHANGELOG.txt
@@ -46,8 +46,8 @@ Drupal 8.0, xxxx-xx-xx (development version)
 - Universally Unique IDentifier (UUID):
     * Support for generating and validating UUIDs.
 - JavaScript changes:
-    * Updated to jQuery 1.7
-    * Updated to jQuery UI 1.9
+    * Updated to jQuery 2.0
+    * Updated to jQuery UI 1.10.2
 - Tremendously improved language support all around.
     * Great language improvements for users:
       * Improved language selection with user preference detection in the
diff --git a/core/modules/system/system.module b/core/modules/system/system.module
index c75309c..25a5bdc 100644
--- a/core/modules/system/system.module
+++ b/core/modules/system/system.module
@@ -1465,7 +1465,7 @@ function system_library_info() {
   $libraries['jquery'] = array(
     'title' => 'jQuery',
     'website' => 'http://jquery.com',
-    'version' => '1.9.1',
+    'version' => '2.0',
     'js' => array(
       'core/misc/jquery.js' => array('group' => JS_LIBRARY, 'weight' => -20),
     ),