--- a/pom.xml
+++ b/pom.xml
@@ -70,6 +70,7 @@
     <dependency>
       <groupId>org.codehaus.plexus</groupId>
       <artifactId>plexus-utils</artifactId>
+      <version>1.5.8</version>
     </dependency>
     <dependency>
       <groupId>org.sonatype.plexus</groupId>