diff --git a/pom.xml b/pom.xml
index 1c68f4a..63004f7 100644
--- a/pom.xml
+++ b/pom.xml
@@ -94,7 +94,7 @@
       <plugin>
         <groupId>org.apache.maven.plugins</groupId>
         <artifactId>maven-project-info-reports-plugin</artifactId>
-        <version>2.7</version>
+        <version>2.8</version>
         <configuration>
           <dependencyDetailEnabled>false</dependencyDetailEnabled>
           <dependencyLocationsEnabled>false</dependencyLocationsEnabled>
@@ -119,7 +119,7 @@
       <plugin> 
         <groupId>org.apache.maven.plugins</groupId>
         <artifactId>maven-changes-plugin</artifactId>
-        <version>2.9</version>
+        <version>2.11</version>
         <reportSets>
           <reportSet>
             <reports>
@@ -131,7 +131,7 @@
       <plugin>
         <groupId>org.apache.maven.plugins</groupId>
         <artifactId>maven-javadoc-plugin</artifactId>
-        <version>2.9.1</version>
+        <version>2.10.2</version>
         <reportSets>
           <reportSet>
             <reports>
@@ -149,7 +149,27 @@
         <plugin>
           <groupId>org.apache.maven.plugins</groupId>
           <artifactId>maven-surefire-plugin</artifactId>
-          <version>2.16</version>
+          <version>2.18.1</version>
+        </plugin>
+        <plugin>
+          <groupId>org.apache.maven.plugins</groupId>
+          <artifactId>maven-clean-plugin</artifactId>
+          <version>2.6.1</version>
+        </plugin>
+        <plugin>
+          <groupId>org.apache.maven.plugins</groupId>
+          <artifactId>maven-deploy-plugin</artifactId>
+          <version>2.8.2</version>
+        </plugin>
+        <plugin>
+          <groupId>org.apache.maven.plugins</groupId>
+          <artifactId>maven-install-plugin</artifactId>
+          <version>2.5.2</version>
+        </plugin>
+        <plugin>
+          <groupId>org.apache.maven.plugins</groupId>
+          <artifactId>maven-resources-plugin</artifactId>
+          <version>2.7</version>
         </plugin>
       </plugins>
     </pluginManagement>
@@ -160,7 +180,7 @@
       <plugin>
         <groupId>org.apache.maven.plugins</groupId>
         <artifactId>maven-compiler-plugin</artifactId>
-        <version>3.1</version>
+        <version>3.3</version>
         <configuration>
           <source>1.6</source>
           <target>1.6</target>
@@ -172,7 +192,7 @@
       <plugin>
         <groupId>org.apache.maven.plugins</groupId>
         <artifactId>maven-site-plugin</artifactId> 
-        <version>3.3</version>
+        <version>3.4</version>
         <configuration>
           <chmod>false</chmod>
           <locales>en</locales>
@@ -188,7 +208,7 @@
       <plugin>
         <groupId>org.apache.maven.plugins</groupId>
         <artifactId>maven-jar-plugin</artifactId>  
-        <version>2.4</version>
+        <version>2.6</version>
         <dependencies>
           <dependency>
             <groupId>org.codehaus.plexus</groupId>
@@ -201,7 +221,7 @@
       <!-- Build binary artifacts for Unix, Mac OS X and Windows -->
       <plugin> 
         <artifactId>maven-assembly-plugin</artifactId>
-        <version>2.4</version>
+        <version>2.5.3</version>
         <configuration>
           <appendAssemblyId>false</appendAssemblyId>
           <descriptors>
@@ -301,7 +321,7 @@
     <dependency>
       <groupId>junit</groupId>
       <artifactId>junit</artifactId>
-      <version>4.11</version>
+      <version>4.12</version>
       <scope>test</scope>
     </dependency>
     <dependency>
@@ -349,7 +369,7 @@
     <dependency>
       <groupId>org.apache.commons</groupId>
       <artifactId>commons-lang3</artifactId>
-      <version>3.2.1</version>
+      <version>3.4</version>
     </dependency>
   </dependencies>