diff --git a/lib/optional/ant-antunit-1.0.jar b/lib/optional/ant-antunit-1.0.jar
deleted file mode 100644
index d8e2fba81..000000000
Binary files a/lib/optional/ant-antunit-1.0.jar and /dev/null differ
diff --git a/lib/optional/ant-antunit-1.1alpha.jar b/lib/optional/ant-antunit-1.1alpha.jar
new file mode 100644
index 000000000..73e68e800
Binary files /dev/null and b/lib/optional/ant-antunit-1.1alpha.jar differ