diff --git a/pom.xml b/pom.xml
index 6d2f5ad4a8..cad698d79b 100644
--- a/pom.xml
+++ b/pom.xml
@@ -224,7 +224,12 @@
 			<dependency>
 				<groupId>org.codehaus.plexus</groupId>
 				<artifactId>plexus-utils</artifactId>
-				<version>3.3.1</version>
+				<version>4.0.0</version>
+			</dependency>
+			<dependency>
+				<groupId>org.codehaus.plexus</groupId>
+				<artifactId>plexus-xml</artifactId>
+				<version>4.0.0</version>
 			</dependency>
 			<dependency>
 				<groupId>com.sleepycat</groupId>
diff --git a/quickfixj-class-pruner-maven-plugin/pom.xml b/quickfixj-class-pruner-maven-plugin/pom.xml
index a9567f1811..812839fc0c 100644
--- a/quickfixj-class-pruner-maven-plugin/pom.xml
+++ b/quickfixj-class-pruner-maven-plugin/pom.xml
@@ -63,6 +63,11 @@
 			<artifactId>maven-plugin-testing-harness</artifactId>
 			<scope>test</scope>
 		</dependency>
+		<dependency>
+			<groupId>org.codehaus.plexus</groupId>
+			<artifactId>plexus-xml</artifactId>
+			<scope>test</scope>
+		</dependency>
 	</dependencies>
 
 	<build>