diff --git a/pom.xml b/pom.xml
index c7344e1..73a270e 100644
--- a/pom.xml
+++ b/pom.xml
@@ -141,7 +141,7 @@
     <dependency><!-- necessary for Maven 2 compatibility -->
       <groupId>org.codehaus.plexus</groupId>
       <artifactId>plexus-utils</artifactId>
-      <version>3.0.15</version>
+      <version>3.0.20</version>
     </dependency>
     <dependency>
       <groupId>junit</groupId>