diff --git a/lib/libraries.properties b/lib/libraries.properties
index 16b3355d4..502469eb3 100644
--- a/lib/libraries.properties
+++ b/lib/libraries.properties
@@ -2,14 +2,14 @@
 #a given release of the components
 
 #if you change this, change the checksum to match
-m2.version=2.0.1
+m2.version=2.0.4
 m2.url=http://ibiblio.org/maven2/
 m2.artifact-name=maven-artifact-ant
 m2.jar.name=${m2.artifact-name}-${m2.version}-dep.jar
 #this is the URL of the antlib library, that is pulled down for everything else.
 m2.antlib.url=${m2.url}/org/apache/maven/${m2.artifact-name}/${m2.version}/${m2.jar.name}
 #this is the sha1 checksum of the artifact
-m2.sha1.checksum=7240828f1744c1f9f8b158a026ac368a03f536a3
+m2.sha1.checksum=4e7ddfdb91600e9b59bb965ff8eef2f06015df50
 
 
 #versions of different libraries. Please keep in alphabetical order, except