diff --git a/version.properties b/version.properties
index f1a04ae2..3a9d0580 100644
--- a/version.properties
+++ b/version.properties
@@ -28,7 +28,7 @@ target.ivy.bundle.version.qualifier=alpha_
 #----------------------------------
 # 'ant.version' is a built in name containing the version of the current 
 # running Ant, so we could not use that name here.
-apache-ant.version=1.9.10
+apache-ant.version=1.9.11
 ant-contrib.version=1.0b3
 bouncycastle.version=1.59
 commons-vfs2.version=2.2