update plexus-utils
diff --git a/pom.xml b/pom.xml
index 3eeb2de..aad3c8d 100644
--- a/pom.xml
+++ b/pom.xml
@@ -266,7 +266,7 @@
       <dependency>
         <groupId>org.codehaus.plexus</groupId>
         <artifactId>plexus-utils</artifactId>
-        <version>3.1.0</version>
+        <version>3.3.0</version>
       </dependency>
       <dependency>
           <groupId>org.sonatype.plexus</groupId>