diff --git a/pom.xml b/pom.xml
index 60aff943..087eccfa 100644
--- a/pom.xml
+++ b/pom.xml
@@ -56,7 +56,7 @@ limitations under the License.
     <dependency>
       <groupId>org.codehaus.plexus</groupId>
       <artifactId>plexus-xml</artifactId>
-      <version>3.0.1</version>
+      <version>4.0.0</version>
       <!-- this dependency is optional, only necessary for deprecated Reader/WriterFactory.newXmlReader/Writer(...) -->
       <optional>true</optional>
     </dependency>