Index: core-module/pom.xml
===================================================================
diff -u -rd013e667fa95be937df0a1d7f2b109744eda3133 -rb09d21b33894fe77bde7bfb55936536ed9016c7b
--- core-module/pom.xml	(.../pom.xml)	(revision d013e667fa95be937df0a1d7f2b109744eda3133)
+++ core-module/pom.xml	(.../pom.xml)	(revision b09d21b33894fe77bde7bfb55936536ed9016c7b)
@@ -57,8 +57,8 @@
                 <artifactId>maven-compiler-plugin</artifactId>
                 <version>3.3</version>
                 <configuration>
-                    <source>1.8</source>
-                    <target>1.8</target>
+                    <source>${maven.compiler.source}</source>
+                    <target>${maven.compiler.target}</target>
                     <encoding>UTF-8</encoding>
                 </configuration>
                 <executions>