diff --git a/pom.xml b/pom.xml
index 308b3f2..e1ff65c 100644
--- a/pom.xml
+++ b/pom.xml
@@ -975,7 +975,7 @@ under the License.
     <version.spotless-maven-plugin>3.4.0</version.spotless-maven-plugin>
     <version.palantirJavaFormat>2.90.0</version.palantirJavaFormat>
     <!-- DO NOT UPGRADE to 4: incompatible with Maven 3 -->
-    <version.plexus-xml>3.0.1</version.plexus-xml>
+    <version.plexus-xml>4.0.0</version.plexus-xml>
     <versions.junit5>5.14.3</versions.junit5>
     <version.maven-shared-resources>6</version.maven-shared-resources>
     <project.build.outputTimestamp>2026-01-09T19:16:47Z</project.build.outputTimestamp>