diff --git a/pom.xml b/pom.xml
index c3ece72..b045c90 100644
--- a/pom.xml
+++ b/pom.xml
@@ -201,14 +201,14 @@
       <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>
       <dependency>
         <groupId>org.codehaus.plexus</groupId>
@@ -217,7 +217,7 @@
       </dependency>
 
       <dependency>
-        <groupId>org.apache.maven.shared</groupId>
+        <groupId>org.apache.maven.plugin-testing</groupId>
         <artifactId>maven-plugin-testing-harness</artifactId>
         <version>${pluginTestingHarnessVersion}</version>
         <scope>test</scope>
@@ -236,7 +236,7 @@
   </dependencies>
 
   <properties>
-    <pluginToolsVersion>2.4.1</pluginToolsVersion>
-    <pluginTestingHarnessVersion>1.1</pluginTestingHarnessVersion>
+    <pluginToolsVersion>${pom.version}</pluginToolsVersion>
+    <pluginTestingHarnessVersion>1.2</pluginTestingHarnessVersion>
   </properties>
 </project>