diff --git a/mixin-maven-plugin/pom.xml b/mixin-maven-plugin/pom.xml
index 9d160ae..2bcf98e 100644
--- a/mixin-maven-plugin/pom.xml
+++ b/mixin-maven-plugin/pom.xml
@@ -26,6 +26,10 @@
             <groupId>org.codehaus.plexus</groupId>
             <artifactId>plexus-utils</artifactId>
         </dependency>
+        <dependency>
+            <groupId>org.codehaus.plexus</groupId>
+            <artifactId>plexus-xml</artifactId>
+        </dependency>
         <dependency>
             <groupId>org.junit.jupiter</groupId>
             <artifactId>junit-jupiter-api</artifactId>
diff --git a/pom.xml b/pom.xml
index 4aa8b30..f7a19d7 100644
--- a/pom.xml
+++ b/pom.xml
@@ -22,7 +22,8 @@
         <maven-compiler-plugin.version>3.13.0</maven-compiler-plugin.version>
         <maven-plugin-plugin.version>3.12.0</maven-plugin-plugin.version>
 
-        <plexus-utils.version>3.5.1</plexus-utils.version>
+        <plexus-utils.version>4.0.1</plexus-utils.version>
+        <plexus-xml.version>3.0.0</plexus-xml.version>
         <maven-plugin-annotations.version>3.12.0</maven-plugin-annotations.version>
         <maven-plugin-api.version>3.9.0</maven-plugin-api.version>
         <maven-javadoc-plugin.version>3.6.3</maven-javadoc-plugin.version>
@@ -131,6 +132,11 @@
                 <artifactId>plexus-utils</artifactId>
                 <version>${plexus-utils.version}</version>
             </dependency>
+            <dependency>
+                <groupId>org.codehaus.plexus</groupId>
+                <artifactId>plexus-xml</artifactId>
+                <version>${plexus-xml.version}</version>
+            </dependency>
         </dependencies>
     </dependencyManagement>