diff --git a/wagon-tcks/wagon-tck-http/pom.xml b/wagon-tcks/wagon-tck-http/pom.xml
index 334de5cb..df700ce9 100644
--- a/wagon-tcks/wagon-tck-http/pom.xml
+++ b/wagon-tcks/wagon-tck-http/pom.xml
@@ -40,7 +40,7 @@ under the License.
     <dependency>
       <groupId>org.codehaus.plexus</groupId>
       <artifactId>plexus-classworlds</artifactId>
-      <version>2.9.0</version>
+      <version>2.11.0</version>
     </dependency>
     <dependency>
       <groupId>org.eclipse.jetty.aggregate</groupId>