diff --git a/pom.xml b/pom.xml
index ecf25c2..f0d94a4 100644
--- a/pom.xml
+++ b/pom.xml
@@ -29,7 +29,7 @@
   <parent>
     <groupId>org.apache</groupId>
     <artifactId>apache</artifactId>
-    <version>16</version>
+    <version>17</version>
     <relativePath />
   </parent>
 
@@ -591,7 +591,7 @@
         <plugin>
           <groupId>org.apache.maven.plugins</groupId>
           <artifactId>maven-assembly-plugin</artifactId>
-          <version>2.5.3</version>
+          <version>2.5.5</version>
         </plugin>
 
         <plugin>
@@ -603,7 +603,7 @@
         <plugin>
           <groupId>org.apache.maven.plugins</groupId>
           <artifactId>maven-checkstyle-plugin</artifactId>
-          <version>2.15</version>
+          <version>2.16</version>
           <dependencies>
             <dependency>
               <groupId>com.puppycrawl.tools</groupId>
@@ -643,7 +643,7 @@
         <plugin>
           <groupId>org.apache.maven.plugins</groupId>
           <artifactId>maven-dependency-plugin</artifactId>
-          <version>2.9</version>
+          <version>2.10</version>
         </plugin>
 
         <plugin>
@@ -656,19 +656,19 @@
         <plugin>
           <groupId>org.apache.maven.plugins</groupId>
           <artifactId>maven-docck-plugin</artifactId>
-          <version>1.0</version>
+          <version>1.1</version>
         </plugin>
 
         <plugin>
           <groupId>org.apache.maven.plugins</groupId>
           <artifactId>maven-ear-plugin</artifactId>
-          <version>2.10</version>
+          <version>2.10.1</version>
         </plugin>
 
         <plugin>
           <groupId>org.apache.maven.plugins</groupId>
           <artifactId>maven-eclipse-plugin</artifactId>
-          <version>2.9</version>
+          <version>2.10</version>
           <inherited>true</inherited>
           <configuration>
             <downloadSources>true</downloadSources>
@@ -679,19 +679,19 @@
         <plugin>
           <groupId>org.apache.maven.plugins</groupId>
           <artifactId>maven-ejb-plugin</artifactId>
-          <version>2.4</version>
+          <version>2.5.1</version>
         </plugin>
 
         <plugin>
           <groupId>org.apache.maven.plugins</groupId>
           <artifactId>maven-enforcer-plugin</artifactId>
-          <version>1.3.1</version>
+          <version>1.4</version>
         </plugin>
 
         <plugin>
           <groupId>org.apache.maven.plugins</groupId>
           <artifactId>maven-gpg-plugin</artifactId>
-          <version>1.5</version>
+          <version>1.6</version>
         </plugin>
 
         <plugin>
@@ -703,13 +703,13 @@
         <plugin>
           <groupId>org.apache.maven.plugins</groupId>
           <artifactId>maven-jar-plugin</artifactId>
-          <version>2.5</version>
+          <version>2.6</version>
         </plugin>
 
         <plugin>
           <groupId>org.apache.maven.plugins</groupId>
           <artifactId>maven-javadoc-plugin</artifactId>
-          <version>2.10.1</version>
+          <version>2.10.3</version>
         </plugin>
 
         <plugin>
@@ -727,19 +727,19 @@
         <plugin>
           <groupId>org.apache.maven.plugins</groupId>
           <artifactId>maven-pmd-plugin</artifactId>
-          <version>3.3</version>
+          <version>3.5</version>
         </plugin>
 
         <plugin>
           <groupId>org.apache.maven.plugins</groupId>
           <artifactId>maven-project-info-reports-plugin</artifactId>
-          <version>2.7</version>
+          <version>2.8</version>
         </plugin>
 
         <plugin>
           <groupId>org.apache.maven.plugins</groupId>
           <artifactId>maven-release-plugin</artifactId>
-          <version>2.5.1</version>
+          <version>2.5.2</version>
           <configuration>
             <tagNameFormat>@{project.version}</tagNameFormat>
           </configuration>
@@ -760,13 +760,13 @@
         <plugin>
           <groupId>org.apache.maven.plugins</groupId>
           <artifactId>maven-scm-plugin</artifactId>
-          <version>1.9.2</version>
+          <version>1.9.4</version>
         </plugin>
 
         <plugin>
           <groupId>org.apache.maven.plugins</groupId>
           <artifactId>maven-shade-plugin</artifactId>
-          <version>2.3</version>
+          <version>2.4.1</version>
         </plugin>
 
         <plugin>
@@ -784,7 +784,7 @@
         <plugin>
           <groupId>org.apache.maven.plugins</groupId>
           <artifactId>maven-stage-plugin</artifactId>
-          <version>1.0-alpha-2</version>
+          <version>1.0</version>
         </plugin>
 
         <plugin>
@@ -805,13 +805,13 @@
         <plugin>
           <groupId>org.apache.maven.plugins</groupId>
           <artifactId>maven-war-plugin</artifactId>
-          <version>2.5</version>
+          <version>2.6</version>
         </plugin>
 
         <plugin>
           <groupId>org.apache.felix</groupId>
           <artifactId>maven-bundle-plugin</artifactId>
-          <version>2.5.3</version>
+          <version>2.5.4</version>
         </plugin>
 
         <plugin>
@@ -837,7 +837,7 @@
         <plugin>
           <groupId>org.apache.xbean</groupId>
           <artifactId>maven-xbean-plugin</artifactId>
-          <version>4.1</version>
+          <version>4.3</version>
         </plugin>
 
         <plugin>
@@ -861,7 +861,7 @@
         <plugin>
           <groupId>org.codehaus.mojo</groupId>
           <artifactId>cobertura-maven-plugin</artifactId>
-          <version>2.6</version>
+          <version>2.7</version>
         </plugin>
 
         <plugin>
@@ -873,7 +873,7 @@
         <plugin>
           <groupId>org.codehaus.mojo</groupId>
           <artifactId>findbugs-maven-plugin</artifactId>
-          <version>3.0.0</version>
+          <version>3.0.1</version>
           <configuration>
             <xmlOutput>false</xmlOutput>
             <!--
@@ -928,13 +928,13 @@
         <plugin>
           <groupId>org.codehaus.mojo</groupId>
           <artifactId>versions-maven-plugin</artifactId>
-          <version>2.1</version>
+          <version>2.2</version>
         </plugin>
   
         <plugin>
           <groupId>com.agilejava.docbkx</groupId>
           <artifactId>docbkx-maven-plugin</artifactId>
-          <version>2.0.15</version>
+          <version>2.0.16</version>
         </plugin>
       </plugins>
     </pluginManagement>