diff --git a/build.xml b/build.xml
index fef01a21..c7e51193 100644
--- a/build.xml
+++ b/build.xml
@@ -7,7 +7,7 @@
   <property name="tclasses.dir" value="${deploy.dir}/test-classes"/>
   <property name="javadoc.dir" value="${deploy.dir}/docs"/>
 
-  <property name="ooo-build.vers" value="2.1"/>
+  <property name="ooo-build.vers" value="2.5"/>
   <ant antfile="bootstrap.xml"/>
   <import file="${user.home}/.m2/ooo-build/${ooo-build.vers}/ooo-build.xml"/>