diff --git a/pom.xml b/pom.xml
index 866f45a3..0c19450e 100644
--- a/pom.xml
+++ b/pom.xml
@@ -22,7 +22,7 @@
     <parent>
         <groupId>org.apache</groupId>
         <artifactId>apache</artifactId>
-        <version>23</version>
+        <version>31</version>
     </parent>
     <groupId>org.apache.ws.xmlschema</groupId>
     <artifactId>xmlschema</artifactId>