[486994] Minor update in project configuration

diff --git a/transformation/petrinet-simulator-maven/pom.xml b/transformation/petrinet-simulator-maven/pom.xml
index 2a1618b..45843bb 100644
--- a/transformation/petrinet-simulator-maven/pom.xml
+++ b/transformation/petrinet-simulator-maven/pom.xml
@@ -13,8 +13,8 @@
 		<emf.version>2.10.1.v20140901-1043</emf.version>
 		<viatra.version>1.2.0</viatra.version>
 		<xtend.version>2.9.2</xtend.version>
-		<maven.compiler.source>1.6</maven.compiler.source>
-		<maven.compiler.target>1.6</maven.compiler.target>
+		<maven.compiler.source>1.7</maven.compiler.source>
+		<maven.compiler.target>1.7</maven.compiler.target>
 	</properties>
 
 	<profiles>