diff --git a/pom.xml b/pom.xml
index b44428c3..0d18dbe1 100644
--- a/pom.xml
+++ b/pom.xml
@@ -23,7 +23,7 @@
   <parent>
     <groupId>org.apache</groupId>
     <artifactId>apache</artifactId>
-    <version>29</version>
+    <version>33</version>
   </parent>
 
   <groupId>org.apache.johnzon</groupId>