diff --git a/jetgeo-core/pom.xml b/jetgeo-core/pom.xml
index d3e38d2..ce8bdc6 100644
--- a/jetgeo-core/pom.xml
+++ b/jetgeo-core/pom.xml
@@ -37,6 +37,7 @@
         <dependency>
             <groupId>org.projectlombok</groupId>
             <artifactId>lombok</artifactId>
+            <optional>true</optional>
         </dependency>
 
         <dependency>