diff --git a/pom.xml b/pom.xml
index 762d472..c087c44 100644
--- a/pom.xml
+++ b/pom.xml
@@ -86,7 +86,7 @@
       <plugin>
         <groupId>org.apache.maven.plugins</groupId>
         <artifactId>maven-project-info-reports-plugin</artifactId>
-        <version>2.6</version>
+        <version>2.7</version>
         <configuration>
           <dependencyDetailEnabled>false</dependencyDetailEnabled>
           <dependencyLocationsEnabled>false</dependencyLocationsEnabled>
@@ -111,7 +111,7 @@
       <plugin> 
         <groupId>org.apache.maven.plugins</groupId>
         <artifactId>maven-changes-plugin</artifactId>
-        <version>2.8</version>
+        <version>2.9</version>
         <reportSets>
           <reportSet>
             <reports>
@@ -123,7 +123,7 @@
       <plugin>
         <groupId>org.apache.maven.plugins</groupId>
         <artifactId>maven-javadoc-plugin</artifactId>
-        <version>2.9</version>
+        <version>2.9.1</version>
         <reportSets>
           <reportSet>
             <reports>
@@ -141,7 +141,7 @@
         <plugin>
           <groupId>org.apache.maven.plugins</groupId>
           <artifactId>maven-surefire-plugin</artifactId>
-          <version>2.14.1</version>
+          <version>2.16</version>
         </plugin>
       </plugins>
     </pluginManagement>
@@ -152,7 +152,7 @@
       <plugin>
         <groupId>org.apache.maven.plugins</groupId>
         <artifactId>maven-compiler-plugin</artifactId>
-        <version>3.0</version>
+        <version>3.1</version>
         <configuration>
           <source>1.6</source>
           <target>1.6</target>
@@ -164,7 +164,7 @@
       <plugin>
         <groupId>org.apache.maven.plugins</groupId>
         <artifactId>maven-site-plugin</artifactId> 
-        <version>3.2</version>
+        <version>3.3</version>
         <configuration>
           <chmod>false</chmod>
           <locales>en</locales>
@@ -228,19 +228,13 @@
       <!-- Build binary artifacts for Unix, Mac OS X and Windows -->
       <plugin> 
         <artifactId>maven-assembly-plugin</artifactId>
-        <version>2.2.2</version>
+        <version>2.4</version>
         <configuration>
           <appendAssemblyId>false</appendAssemblyId>
           <descriptors>
             <descriptor>src/main/assembly/tarball.xml</descriptor>
             <descriptor>src/main/assembly/zip.xml</descriptor>
           </descriptors>
-          <!-- Workaround for issue MASSEMBLY-449 -->        
-          <archiverConfig>
-            <fileMode>420</fileMode> <!-- 420(dec) = 644(oct) -->
-            <directoryMode>493</directoryMode> <!-- 493(dec) = 755(oct) -->
-            <defaultDirectoryMode>493</defaultDirectoryMode>
-          </archiverConfig>
         </configuration>
         <executions>
           <execution>