upgrade dependencies version

git-svn-id: https://svn.apache.org/repos/asf/maven/plugins/trunk@1384326 13f79535-47bb-0310-9956-ffa450edef68
diff --git a/pom.xml b/pom.xml
index 730ce48..f1890af 100644
--- a/pom.xml
+++ b/pom.xml
@@ -75,7 +75,7 @@
     <dependency>
       <groupId>org.apache.maven</groupId>
       <artifactId>maven-archiver</artifactId>
-      <version>2.4.1</version>
+      <version>2.5</version>
       <exclusions>
         <exclusion>
           <groupId>org.codehaus.plexus</groupId>
@@ -102,12 +102,12 @@
     <dependency>
       <groupId>org.codehaus.plexus</groupId>
       <artifactId>plexus-utils</artifactId>
-      <version>2.0.5</version>
+      <version>3.0.5</version>
     </dependency>
     <dependency>
       <groupId>org.codehaus.plexus</groupId>
       <artifactId>plexus-archiver</artifactId>
-      <version>1.0</version>
+      <version>2.1.2</version>
       <exclusions>
         <exclusion>
           <groupId>org.codehaus.plexus</groupId>