Adding maven-gpg plugin to force signature uploads
diff --git a/pom.xml b/pom.xml
index 75a8641..a4f4fca 100644
--- a/pom.xml
+++ b/pom.xml
@@ -157,7 +157,23 @@
                 </goals>
               </execution>
             </executions>
-          </plugin>   
+          </plugin>
+          <!-- force signatures to be created and uploaded on deploy -->
+	      <plugin>
+	        <groupId>org.apache.maven.plugins</groupId>
+	        <artifactId>maven-gpg-plugin</artifactId>
+	        <version>3.2.4</version>
+	        <executions>
+	          <execution>
+	            <id>sign-artifacts</id>
+	            <phase>verify</phase>
+	            <goals>
+	              <goal>sign</goal>
+	            </goals>
+	          </execution>
+	        </executions>
+	      </plugin>          
+          
          </plugins>
          </build>
 	</profile>