auto-version sub modules
diff --git a/parent/pom.xml b/parent/pom.xml
index ea8ce05..d087934 100644
--- a/parent/pom.xml
+++ b/parent/pom.xml
@@ -77,5 +77,21 @@
 
       </dependencies>
     </dependencyManagement>
+    
+    <build>
+        <pluginManagement>
+            <plugins>
+
+                <plugin>
+                    <groupId>org.apache.maven.plugins</groupId>
+                    <artifactId>maven-release-plugin</artifactId>
+                    <configuration>
+                        <autoVersionSubmodules>true</autoVersionSubmodules>
+                    </configuration>
+                </plugin>
+
+            </plugins>
+        </pluginManagement>
+    </build>
 
 </project>