diff --git a/pom.xml b/pom.xml
index 188fbbf9e..040739dc4 100644
--- a/pom.xml
+++ b/pom.xml
@@ -22,15 +22,15 @@ limitations under the License.
   <groupId>org.codehaus.plexus</groupId>
   <artifactId>plexus</artifactId>
   <packaging>pom</packaging>
-  <version>6.1</version>
+  <version>6.3</version>
 
   <name>Plexus</name>
   <description>The Plexus project provides a full software stack for creating and executing software projects.</description>
-  <url>http://codehaus-plexus.github.io/</url>
+  <url>https://codehaus-plexus.github.io/</url>
   <inceptionYear>2001</inceptionYear>
   <organization>
     <name>Codehaus Plexus</name>
-    <url>http://codehaus-plexus.github.io/</url>
+    <url>https://codehaus-plexus.github.io/</url>
   </organization>
   <licenses>
     <license>
@@ -289,12 +289,12 @@ limitations under the License.
   <scm>
     <connection>scm:git:git@github.com:codehaus-plexus/plexus-pom.git</connection>
     <developerConnection>scm:git:git@github.com:codehaus-plexus/plexus-pom.git</developerConnection>
-    <url>http://github.com/codehaus-plexus/plexus-pom/tree/${project.scm.tag}/</url>
-    <tag>plexus-6.1</tag>
+    <url>https://github.com/codehaus-plexus/plexus-pom/tree/${project.scm.tag}/</url>
+    <tag>plexus-6.3</tag>
   </scm>
   <issueManagement>
     <system>github</system>
-    <url>http://github.com/codehaus-plexus/plexus-pom/issues</url>
+    <url>https://github.com/codehaus-plexus/plexus-pom/issues</url>
   </issueManagement>
   <distributionManagement>
     <repository>
@@ -319,7 +319,8 @@ limitations under the License.
     <maven.compiler.target>1.${javaVersion}</maven.compiler.target>    
     <project.build.sourceEncoding>UTF-8</project.build.sourceEncoding>
     <plexusDistMgmtSnapshotsUrl>https://oss.sonatype.org/content/repositories/plexus-snapshots</plexusDistMgmtSnapshotsUrl>
-    <project.build.outputTimestamp>2020-01-20T18:52:37Z</project.build.outputTimestamp>
+    <project.build.outputTimestamp>2020-07-14T18:36:25Z</project.build.outputTimestamp>
+    <gpg.useagent>true</gpg.useagent>
   </properties>
 
   <dependencyManagement>
@@ -381,12 +382,12 @@ limitations under the License.
         <plugin>
           <groupId>org.apache.maven.plugins</groupId>
           <artifactId>maven-enforcer-plugin</artifactId>
-          <version>1.4.1</version>
+          <version>3.0.0-M3</version>
         </plugin>
         <plugin>
           <groupId>org.apache.maven.plugins</groupId>
           <artifactId>maven-gpg-plugin</artifactId>
-          <version>1.6</version>
+          <version>3.0.0</version>
         </plugin>
         <plugin>
           <groupId>org.apache.maven.plugins</groupId>
@@ -406,7 +407,7 @@ limitations under the License.
         <plugin>
           <groupId>org.apache.maven.plugins</groupId>
           <artifactId>maven-jxr-plugin</artifactId>
-          <version>3.0.0</version>
+          <version>3.1.0</version>
         </plugin>
         <plugin>
           <groupId>org.apache.maven.plugins</groupId>
@@ -431,7 +432,7 @@ limitations under the License.
         <plugin>
           <groupId>org.apache.maven.plugins</groupId>
           <artifactId>maven-project-info-reports-plugin</artifactId>
-          <version>2.9</version>
+          <version>3.1.0</version>
         </plugin>
         <plugin>
           <groupId>org.apache.maven.plugins</groupId>
@@ -447,7 +448,7 @@ limitations under the License.
         <plugin>
           <groupId>org.apache.maven.plugins</groupId>
           <artifactId>maven-resources-plugin</artifactId>
-          <version>3.0.2</version>
+          <version>3.1.0</version>
         </plugin>
         <plugin>
           <groupId>org.apache.maven.plugins</groupId>
@@ -462,7 +463,7 @@ limitations under the License.
         <plugin>
           <groupId>org.apache.maven.plugins</groupId>
           <artifactId>maven-site-plugin</artifactId>
-          <version>3.8.2</version>
+          <version>3.9.1</version>
           <configuration>
             <skipDeploy>true</skipDeploy><!-- don't deploy site with maven-site-plugin -->
           </configuration>
@@ -475,12 +476,12 @@ limitations under the License.
         <plugin>
           <groupId>org.apache.maven.plugins</groupId>
           <artifactId>maven-surefire-plugin</artifactId>
-          <version>2.20</version>
+          <version>2.22.2</version>
         </plugin>
         <plugin>
           <groupId>org.apache.maven.plugins</groupId>
           <artifactId>maven-surefire-report-plugin</artifactId>
-          <version>2.20</version>
+          <version>2.22.2</version>
         </plugin>
         <plugin>
           <groupId>org.codehaus.mojo</groupId>
@@ -522,13 +523,6 @@ limitations under the License.
       <plugin>
         <groupId>org.apache.maven.plugins</groupId>
         <artifactId>maven-enforcer-plugin</artifactId>
-        <dependencies>
-          <dependency>
-            <groupId>org.codehaus.mojo</groupId>
-            <artifactId>animal-sniffer-enforcer-rule</artifactId>
-            <version>1.17</version>
-          </dependency>
-        </dependencies>
         <executions>
           <execution>
             <id>enforce-maven</id>
@@ -544,24 +538,6 @@ limitations under the License.
             </rules>
             </configuration>
           </execution>
-          <execution>
-            <id>check-signatures</id>
-            <phase>test</phase>
-            <goals>
-              <goal>enforce</goal>
-            </goals>
-            <configuration>
-              <rules>
-                <checkSignatureRule implementation="org.codehaus.mojo.animal_sniffer.enforcer.CheckSignatureRule">
-                  <signature>
-                    <groupId>org.codehaus.mojo.signature</groupId>
-                    <artifactId>java1${javaVersion}</artifactId>
-                    <version>1.0</version>
-                  </signature>
-                </checkSignatureRule>
-              </rules>
-            </configuration>
-          </execution>
         </executions>
       </plugin>
       <plugin>
@@ -590,15 +566,15 @@ limitations under the License.
               <report>summary</report>
               <report>dependency-info</report>
               <report>modules</report>
-              <report>license</report>
-              <report>project-team</report>
+              <report>licenses</report>
+              <report>team</report>
               <report>scm</report>
-              <report>issue-tracking</report>
-              <report>mailing-list</report>
+              <report>issue-management</report>
+              <report>mailing-lists</report>
               <report>dependency-management</report>
               <report>dependencies</report>
               <report>dependency-convergence</report>
-              <report>cim</report>
+              <report>ci-management</report>
               <report>plugin-management</report>
               <report>plugins</report>
               <report>distribution-management</report>
@@ -689,6 +665,35 @@ limitations under the License.
       <id>plexus-release</id>
       <build>
         <plugins>
+          <!-- Create a source-release artifact that contains the fully buildable
+               project directory source structure. -->
+          <plugin>
+            <groupId>org.apache.maven.plugins</groupId>
+            <artifactId>maven-assembly-plugin</artifactId>
+            <dependencies>
+              <dependency>
+                <groupId>org.apache.apache.resources</groupId>
+                <artifactId>apache-source-release-assembly-descriptor</artifactId>
+                <version>1.0.6</version>
+              </dependency>
+            </dependencies>
+            <executions>
+              <execution>
+                <id>source-release-assembly</id>
+                <phase>package</phase>
+                <goals>
+                  <goal>single</goal>
+                </goals>
+                <configuration>
+                  <runOnlyAtExecutionRoot>true</runOnlyAtExecutionRoot>
+                  <descriptorRefs>
+                    <descriptorRef>source-release</descriptorRef>
+                  </descriptorRefs>
+                  <tarLongFileMode>posix</tarLongFileMode>
+                </configuration>
+              </execution>
+            </executions>
+          </plugin>
           <plugin>
             <groupId>org.apache.maven.plugins</groupId>
             <artifactId>maven-gpg-plugin</artifactId>
@@ -731,5 +736,46 @@ limitations under the License.
         </plugins>
       </build>
     </profile>
+    <profile>
+      <id>pre-JEP_247</id>
+      <activation>
+        <jdk>[7,8]</jdk>
+      </activation>
+      <build>
+        <plugins>
+          <plugin>
+            <groupId>org.apache.maven.plugins</groupId>
+            <artifactId>maven-enforcer-plugin</artifactId>
+            <dependencies>
+              <dependency>
+                <groupId>org.codehaus.mojo</groupId>
+                <artifactId>animal-sniffer-enforcer-rule</artifactId>
+                <version>1.18</version>
+              </dependency>
+            </dependencies>
+            <executions>
+              <execution>
+                <id>check-signatures</id>
+                <phase>test</phase>
+                <goals>
+                  <goal>enforce</goal>
+                </goals>
+                <configuration>
+                  <rules>
+                    <checkSignatureRule implementation="org.codehaus.mojo.animal_sniffer.enforcer.CheckSignatureRule">
+                      <signature>
+                        <groupId>org.codehaus.mojo.signature</groupId>
+                        <artifactId>java1${javaVersion}</artifactId>
+                        <version>1.0</version>
+                      </signature>
+                    </checkSignatureRule>
+                  </rules>
+                </configuration>
+              </execution>
+            </executions>
+          </plugin>
+        </plugins>
+      </build>
+    </profile>
   </profiles>
 </project>