diff --git a/maven-plugin-testing-harness/pom.xml b/maven-plugin-testing-harness/pom.xml
index 31faec2..cf2468f 100644
--- a/maven-plugin-testing-harness/pom.xml
+++ b/maven-plugin-testing-harness/pom.xml
@@ -124,7 +124,7 @@ under the License.
     <dependency>
       <groupId>org.codehaus.plexus</groupId>
       <artifactId>plexus-testing</artifactId>
-      <version>2.0.2</version>
+      <version>2.1.0</version>
       <exclusions>
         <exclusion>
           <!-- we need as optional dependencies -->