diff --git a/pom.xml b/pom.xml
index 4c0a423..7914dd5 100644
--- a/pom.xml
+++ b/pom.xml
@@ -20,7 +20,7 @@
   <parent>
     <groupId>org.apache</groupId>
     <artifactId>apache</artifactId>
-    <version>29</version>
+    <version>31</version>
   </parent>
   <groupId>org.apache.creadur.tentacles</groupId>
   <artifactId>apache-tentacles</artifactId>