maven plugin versions

Author: michele

pom.xml

@@ -40,6 +40,16 @@
         </license>
     </licenses>
 
+    <developers>
+        <developer>
+            <name>Colin Findlay</name>
+        </developer>
+        <developer>
+            <name>Michele Rastelli</name>
+            <url>https://github.com/rashtao</url>
+        </developer>
+    </developers>
+
     <properties>
         <project.build.sourceEncoding>UTF-8</project.build.sourceEncoding>
         <java.version>1.8</java.version>
@@ -64,13 +74,15 @@
             <plugin>
                 <groupId>org.apache.maven.plugins</groupId>
                 <artifactId>maven-resources-plugin</artifactId>
+                <version>3.1.0</version>
                 <configuration>
                     <encoding>UTF-8</encoding>
                 </configuration>
             </plugin>
             <plugin>
                 <groupId>org.apache.maven.plugins</groupId>
                 <artifactId>maven-source-plugin</artifactId>
+                <version>3.1.0</version>
                 <executions>
                     <execution>
                         <goals>
@@ -82,6 +94,7 @@
             <plugin>
                 <groupId>org.apache.maven.plugins</groupId>
                 <artifactId>maven-javadoc-plugin</artifactId>
+                <version>3.1.1</version>
                 <executions>
                     <execution>
                         <id>attach-javadocs</id>
@@ -93,6 +106,7 @@
             </plugin>
             <plugin>
                 <artifactId>maven-deploy-plugin</artifactId>
+                <version>2.8.2</version>
                 <configuration>
                     <uniqueVersion>false</uniqueVersion>
                     <retryFailedDeploymentCount>10</retryFailedDeploymentCount>
@@ -101,6 +115,7 @@
             <plugin>
                 <groupId>org.apache.maven.plugins</groupId>
                 <artifactId>maven-gpg-plugin</artifactId>
+                <version>1.6</version>
                 <executions>
                     <execution>
                         <id>sign-artifacts</id>