diff --git a/pom.xml b/pom.xml
index 67e46281..dcd0e649 100644
--- a/pom.xml
+++ b/pom.xml
@@ -22,7 +22,7 @@
     <parent>
         <groupId>org.n52</groupId>
         <artifactId>parent</artifactId>
-        <version>21</version>
+        <version>27</version>
     </parent>
 
     <groupId>org.n52.wps</groupId>