diff --git a/pom.xml b/pom.xml
index dd88bb9..fe48d02 100644
--- a/pom.xml
+++ b/pom.xml
@@ -21,7 +21,7 @@
   <parent>
     <groupId>org.apache</groupId>
     <artifactId>apache</artifactId>
-    <version>38</version>
+    <version>39</version>
   </parent>
 
   <groupId>org.apache.tomcat</groupId>