incorrect choice of dependency in example: jboss-ejb3-api-3.1.0.jar

C:\java\weld-1.0.1-Final\examples\jsf\translator>mvn clean install

[ERROR] BUILD FAILURE
[INFO] ------------------------------------------------------------------------
[INFO] Compilation failure
C:\java\weld-1.0.1-Final\examples\jsf\translator\ejb\src\main\java\org\jboss\wel
d\examples\translator\SentenceTranslator.java:[3,-1] cannot access javax.ejb.Sta
teless
bad class file: C:\Documents and Settings\asookazian\.m2\repository\org\jboss\ej
b3\jboss-ejb3-api\3.1.0\jboss-ejb3-api-3.1.0.jar(javax/ejb/Stateless.class)
class file has wrong version 50.0, should be 49.0