diff --git a/pom.xml b/pom.xml
index 5c09e7a..11bec78 100644
--- a/pom.xml
+++ b/pom.xml
@@ -22,7 +22,7 @@
   <parent>
     <groupId>org.apache.commons</groupId>
     <artifactId>commons-parent</artifactId>
-    <version>50</version>
+    <version>51</version>
   </parent>
   <modelVersion>4.0.0</modelVersion>
   <artifactId>commons-configuration2</artifactId>