diff --git a/pom.xml b/pom.xml
index e205329a..1524efc7 100644
--- a/pom.xml
+++ b/pom.xml
@@ -22,7 +22,7 @@ limitations under the License.
   <parent>
     <groupId>org.codehaus.plexus</groupId>
     <artifactId>plexus</artifactId>
-    <version>6.1</version>
+    <version>6.4</version>
   </parent>
 
   <artifactId>plexus-utils</artifactId>