Spring Boot not picking up properties

I have a Spring Boot application and I'm trying to pass a property from application.properties as a parameter annotation within Entity class like that:

@Entity
public class Entity{

    @Id
    @SequenceGenerator(name = "entity_id_seq", sequenceName = "entity_id_seq", initialValue = "${start-seq}")
    @GeneratedValue(strategy = GenerationType.SEQUENCE, generator = "dish_id_seq")
    private int id;

And my application.properties have:

start-seq=100000

But it doesn't compile saying "incompatible types: java.lang.String cannot be converted to int" not recognizing expression. Also I tried to pass this property with @Value annotation to a variable like that:

@Value("${start-seq}")
private int startSeq;

But the variable is always 0. I do have following annotations before my config class, but it still doesn't work:

@Configuration
@EnableConfigurationProperties
@PropertySources({
        @PropertySource("classpath:application.properties")
})

Am I missing something?