Exception ao gerar tabelas

Cliente.java

@Entity
public class Cliente implements java.io.Serializable {

	@Id
	@GeneratedValue(strategy = GenerationType.IDENTITY)
//	@Column(name="id_cliente")
	private Long id;
	
	@Column(nullable=false, length=40,
			insertable=true, updatable=true)
	private String nome;
	
	@Column(unique=true, nullable=false,
			insertable=true, updatable=true)
	private String cpf;
	
	@Column(nullable=false)

	/* Mapeamento para relacionamentos*/
	
	@OneToOne//(cascade=CascadeType.PERSIST, fetch=FetchType.EAGER)
	private Funcionario funcionario;
	
	@OneToMany(mappedBy="dependente")
	private List<Dependente> dependentes;
	
	// Constructors

}

Dependente.java

@Entity
public class Dependente implements java.io.Serializable {

	@Id
	@GeneratedValue(strategy = GenerationType.IDENTITY)
	private Long id;

	@ManyToOne
	private Cliente cliente; 
}

Log 
log4j:WARN No appenders could be found for logger (org.hibernate.cfg.annotations.Version).
log4j:WARN Please initialize the log4j system properly.
Exception in thread "main" org.hibernate.AnnotationException: mappedBy reference an unknown target entity property: org.mytech.beans.Dependente.dependente in org.mytech.beans.Cliente.dependentes
	at org.hibernate.cfg.annotations.CollectionBinder.bindStarToManySecondPass(CollectionBinder.java:543)
	at org.hibernate.cfg.annotations.CollectionBinder$1.secondPass(CollectionBinder.java:508)
	at org.hibernate.cfg.CollectionSecondPass.doSecondPass(CollectionSecondPass.java:43)
	at org.hibernate.cfg.Configuration.secondPassCompile(Configuration.java:1127)
	at org.hibernate.cfg.AnnotationConfiguration.secondPassCompile(AnnotationConfiguration.java:296)
	at org.hibernate.cfg.Configuration.generateDropSchemaScript(Configuration.java:756)
	at org.hibernate.tool.hbm2ddl.SchemaExport.<init>(SchemaExport.java:93)
	at org.hibernate.tool.hbm2ddl.SchemaExport.<init>(SchemaExport.java:61)
	at org.mytech.daos.GeraBanco.main(GeraBanco.java:12)