diff --git a/core/pom.xml b/core/pom.xml
index f100705..fd4adde 100644
--- a/core/pom.xml
+++ b/core/pom.xml
@@ -169,7 +169,7 @@
                 <artifactId>maven-javadoc-plugin</artifactId>
                 <version>3.5.0</version>
                 <configuration>
-                    <source>8</source>
+                    <source>${java.version}</source>
                     <doctitle>Javadoc Documentation for ${project.name} ${project.version}
                     </doctitle>
                     <windowtitle>${project.name} ${project.version}