diff --git a/pom.xml b/pom.xml
index f6341ebe6..48021a8f9 100644
--- a/pom.xml
+++ b/pom.xml
@@ -1,5 +1,6 @@
 <?xml version="1.0" encoding="UTF-8"?>
-<project xmlns="http://maven.apache.org/POM/4.0.0" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
+<project xmlns="http://maven.apache.org/POM/4.0.0"
+    xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
     xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/maven-v4_0_0.xsd">
 
     <modelVersion>4.0.0</modelVersion>
@@ -70,7 +71,6 @@
                 <!-- Annoying if the packager has to fix the java doc -->
                 <groupId>org.apache.maven.plugins</groupId>
                 <artifactId>maven-javadoc-plugin</artifactId>
-                <version>2.9.1</version>
                 <executions>
                     <execution>
                         <id>check-javadoc</id>
@@ -86,7 +86,7 @@
                 <!-- http://central.sonatype.org/pages/apache-maven.html -->
                 <groupId>org.sonatype.plugins</groupId>
                 <artifactId>nexus-staging-maven-plugin</artifactId>
-                <version>1.6.3</version>
+                <version>1.6.5</version>
                 <extensions>true</extensions>
                 <configuration>
                     <serverId>ossrh</serverId>
@@ -129,7 +129,7 @@
                 <plugin>
                     <groupId>org.apache.maven.plugins</groupId>
                     <artifactId>maven-failsafe-plugin</artifactId>
-                    <version>2.18</version>
+                    <version>2.20.1</version>
                     <configuration>
                         <!-- acceptance tests allow failures -->
                         <testFailureIgnore>true</testFailureIgnore>
@@ -143,7 +143,29 @@
                 <plugin>
                     <groupId>org.apache.maven.plugins</groupId>
                     <artifactId>maven-jarsigner-plugin</artifactId>
-                    <version>1.3.2</version>
+                    <version>1.4</version>
+                </plugin>
+
+                <plugin>
+                    <!-- http://central.sonatype.org/pages/apache-maven.html -->
+                    <groupId>org.apache.maven.plugins</groupId>
+                    <artifactId>maven-gpg-plugin</artifactId>
+                    <version>1.6</version>
+                </plugin>
+
+                <plugin>
+                    <!-- http://central.sonatype.org/pages/apache-maven.html -->
+                    <groupId>org.apache.maven.plugins</groupId>
+                    <artifactId>maven-source-plugin</artifactId>
+                    <version>3.0.1</version>
+                </plugin>
+
+                <plugin>
+                    <!-- http://central.sonatype.org/pages/apache-maven.html -->
+                    <!-- Annoying if the packager has to fix the java doc -->
+                    <groupId>org.apache.maven.plugins</groupId>
+                    <artifactId>maven-javadoc-plugin</artifactId>
+                    <version>3.0.1</version>
                 </plugin>
 
             </plugins>
@@ -238,7 +260,6 @@
                         <!-- http://central.sonatype.org/pages/apache-maven.html -->
                         <groupId>org.apache.maven.plugins</groupId>
                         <artifactId>maven-gpg-plugin</artifactId>
-                        <version>1.6</version>
                         <configuration>
                             <useAgent>true</useAgent>
                             <keyname>${gpg.keyname}</keyname>
@@ -258,7 +279,6 @@
                         <!-- http://central.sonatype.org/pages/apache-maven.html -->
                         <groupId>org.apache.maven.plugins</groupId>
                         <artifactId>maven-source-plugin</artifactId>
-                        <version>2.2.1</version>
                         <executions>
                             <execution>
                                 <id>attach-sources</id>
@@ -275,7 +295,6 @@
                             doc -->
                         <groupId>org.apache.maven.plugins</groupId>
                         <artifactId>maven-javadoc-plugin</artifactId>
-                        <version>2.9.1</version>
                         <executions>
                             <execution>
                                 <id>attach-javadocs</id>