diff --git a/maven-plugin-plugin/pom.xml b/maven-plugin-plugin/pom.xml
index f91e1cc..2f753be 100644
--- a/maven-plugin-plugin/pom.xml
+++ b/maven-plugin-plugin/pom.xml
@@ -84,14 +84,14 @@
       <dependency>
         <groupId>org.apache.maven</groupId>
         <artifactId>maven-plugin-descriptor</artifactId>
-        <version>2.0.5</version>
+        <version>2.0.6</version>
       </dependency>
 
       <!-- plexus -->
       <dependency>
         <groupId>org.codehaus.plexus</groupId>
         <artifactId>plexus-utils</artifactId>
-        <version>1.5.1</version>
+        <version>1.5.6</version>
       </dependency>
     </dependencies>
   </dependencyManagement>
@@ -129,32 +129,32 @@
     <dependency>
       <groupId>org.apache.maven</groupId>
       <artifactId>maven-plugin-api</artifactId>
-      <version>2.0</version>
+      <version>2.0.6</version>
     </dependency>
     <dependency>
       <groupId>org.apache.maven</groupId>
       <artifactId>maven-model</artifactId>
-      <version>2.0</version>
+      <version>2.0.6</version>
     </dependency>
     <dependency>
       <groupId>org.apache.maven</groupId>
       <artifactId>maven-repository-metadata</artifactId>
-      <version>2.0</version>
+      <version>2.0.6</version>
     </dependency>
     <dependency>
       <groupId>org.apache.maven</groupId>
       <artifactId>maven-project</artifactId>
-      <version>2.0</version>
+      <version>2.0.6</version>
     </dependency>
     <dependency>
       <groupId>org.apache.maven</groupId>
       <artifactId>maven-plugin-descriptor</artifactId>
-      <version>2.0</version>
+      <version>2.0.6</version>
     </dependency>
     <dependency>
       <groupId>org.apache.maven</groupId>
       <artifactId>maven-plugin-registry</artifactId>
-      <version>2.0</version>
+      <version>2.0.6</version>
     </dependency>
     <dependency>
       <groupId>org.apache.maven.plugin-tools</groupId>
@@ -163,12 +163,12 @@
     <dependency>
       <groupId>org.apache.maven</groupId>
       <artifactId>maven-artifact-manager</artifactId>
-      <version>2.0</version>
+      <version>2.0.6</version>
     </dependency>
     <dependency>
       <groupId>org.apache.maven</groupId>
       <artifactId>maven-artifact</artifactId>
-      <version>2.0</version>
+      <version>2.0.6</version>
     </dependency>
     <dependency>
       <groupId>org.apache.maven.reporting</groupId>
@@ -207,7 +207,7 @@
         <plugin>
           <groupId>org.apache.maven.plugins</groupId>
           <artifactId>maven-plugin-plugin</artifactId>
-          <version>2.4.1</version>
+          <version>2.4.2</version>
         </plugin>
         <plugin>
           <groupId>org.apache.maven.plugins</groupId>