[MPOM-224] upgrade jar/source/assembly plugins for Reproducible Builds
diff --git a/pom.xml b/pom.xml
index 7a0994c..2e5d5fe 100644
--- a/pom.xml
+++ b/pom.xml
@@ -92,6 +92,7 @@
     <maven.compiler.target>1.7</maven.compiler.target>
     <surefire.version>2.22.0</surefire.version>
     <assembly.tarLongFileMode>posix</assembly.tarLongFileMode>
+    <!--project.build.outputTimestamp>2019-10-02T08:04:00Z</project.build.outputTimestamp--><!-- Reproducible Builds can be activated by defining property -->
   </properties>
 
   <repositories>
@@ -117,7 +118,7 @@
         <plugin>
           <groupId>org.apache.maven.plugins</groupId>
           <artifactId>maven-assembly-plugin</artifactId>
-          <version>3.1.1</version>
+          <version>3.2.0</version>
         </plugin>
         <plugin>
           <groupId>org.apache.maven.plugins</groupId>
@@ -187,7 +188,7 @@
         <plugin>
           <groupId>org.apache.maven.plugins</groupId>
           <artifactId>maven-jar-plugin</artifactId>
-          <version>3.1.0</version>
+          <version>3.2.0</version>
           <configuration>
             <archive>
               <manifest>
@@ -270,7 +271,7 @@
         <plugin>
           <groupId>org.apache.maven.plugins</groupId>
           <artifactId>maven-source-plugin</artifactId>
-          <version>3.0.1</version>
+          <version>3.2.0</version>
         </plugin>
         <plugin>
           <groupId>org.apache.maven.plugins</groupId>