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>