Legacy Build
diff --git a/pom.xml b/pom.xml
index b335225..41a16d4 100644
--- a/pom.xml
+++ b/pom.xml
@@ -21,13 +21,13 @@
 	<properties>

 		<sourceEncoding>UTF-8</sourceEncoding> <!-- in Maven 3. -->

 		<project.build.sourceEncoding>UTF-8</project.build.sourceEncoding>

-		<project.build.javaVersion>1.7</project.build.javaVersion>

+		<project.build.javaVersion>1.6</project.build.javaVersion>

 		<maven.compilerPlugin.version>2.3.2</maven.compilerPlugin.version>

 		<uomo-version>0.7.0-SNAPSHOT</uomo-version>

 		<tycho-version>0.16.0</tycho-version>

 		<icu4j-version>56.1</icu4j-version>

-		<maven.compiler.source>1.6</maven.compiler.source>

-		<maven.compiler.target>1.6</maven.compiler.target>

+		<maven.compiler.source>${project.build.javaVersion}</maven.compiler.source>

+		<maven.compiler.target>${project.build.javaVersion}</maven.compiler.target>

 		<site.basedir>${project.basedir}</site.basedir>

 	</properties>