diff --git a/maven-plugin-plugin/pom.xml b/maven-plugin-plugin/pom.xml
index 78c0118..f48bdb7 100644
--- a/maven-plugin-plugin/pom.xml
+++ b/maven-plugin-plugin/pom.xml
@@ -99,7 +99,7 @@
       <dependency>
         <groupId>org.codehaus.plexus</groupId>
         <artifactId>plexus-utils</artifactId>
-        <version>1.5.6</version>
+        <version>2.0.5</version>
       </dependency>
     </dependencies>
   </dependencyManagement>
@@ -270,7 +270,7 @@
         <plugins>
           <plugin>
             <artifactId>maven-invoker-plugin</artifactId>
-            <version>1.4</version>
+            <version>1.5</version>
             <configuration>
               <debug>true</debug>
               <cloneProjectsTo>${project.build.directory}/it</cloneProjectsTo>
diff --git a/maven-plugin-tools-java/pom.xml b/maven-plugin-tools-java/pom.xml
index 2fe094e..02c64b2 100644
--- a/maven-plugin-tools-java/pom.xml
+++ b/maven-plugin-tools-java/pom.xml
@@ -74,7 +74,7 @@
     <dependency>
       <groupId>com.thoughtworks.qdox</groupId>
       <artifactId>qdox</artifactId>
-      <version>1.10</version>
+      <version>1.11</version>
     </dependency>
   </dependencies>
 </project>
diff --git a/maven-plugin-tools-javadoc/pom.xml b/maven-plugin-tools-javadoc/pom.xml
index bca5a56..9affd5b 100644
--- a/maven-plugin-tools-javadoc/pom.xml
+++ b/maven-plugin-tools-javadoc/pom.xml
@@ -72,7 +72,7 @@
         <plugins>
           <plugin>
             <artifactId>maven-invoker-plugin</artifactId>
-            <version>1.4</version>
+            <version>1.5</version>
             <configuration>
               <debug>true</debug>
               <cloneProjectsTo>${project.build.directory}/it</cloneProjectsTo>