diff --git a/build.xml b/build.xml
index e7428b1dc16..37dbec99f69 100644
--- a/build.xml
+++ b/build.xml
@@ -51,7 +51,7 @@ under the License.
 
     <description>The Apache POI project Ant build.</description>
 
-    <property name="version.id" value="4.0-beta1"/>
+    <property name="version.id" value="3.10-beta1"/>
 
     <property environment="env"/>
     <!-- the repository to download jars from -->