diff --git a/WHATSNEW b/WHATSNEW
index e372ffb69..b3fae78ad 100644
--- a/WHATSNEW
+++ b/WHATSNEW
@@ -77,6 +77,8 @@ Fixed bugs:
 
 Other changes:
 --------------
+* Shipped XML parser is now Xerces 2.4.0
+
 * The filesetmanifest attribute of <jar> has been reenabled.
 
 * The start and end tokens for <translate> may now be longer than a
diff --git a/lib/README b/lib/README
index 201646334..a70bf18e7 100644
--- a/lib/README
+++ b/lib/README
@@ -2,7 +2,7 @@ Please refer to the Ant manual under Installing Ant / Library
 Dependencies for a list of the jar requirements for various optional
 tasks and features.
 
-This directory contains xercesImpl.jar from the 2.3.0 release of
+This directory contains xercesImpl.jar from the 2.4.0 release of
 Apache Xerces.  For more information or newer releases see
 <http://xml.apache.org/xerces2-j/>.  See the file LICENSE.xerces for
 the terms of distribution.
diff --git a/lib/xercesImpl.jar b/lib/xercesImpl.jar
index c1c837919..d6c4471d3 100644
Binary files a/lib/xercesImpl.jar and b/lib/xercesImpl.jar differ