As you have seen in the documentation, you can set timeouts per specific client. But you have only configured it for feign client, not for hystrix command. Remember that they have independent timeouts.

I would recommend to use a configuration class instead of editing your application.yml in order to handle multiples feign clients with hystrix. The following example sets up a Feign.Builder where timeouts are being injected for Feign client and Hystrix command.

# application.yml
microservices:
    foo:
        feign:
            url: xxxx
            connect-timeout: 5s
            read-timeout: 5s
        hystrix:
            enabled: true
            timeout: 5s

@FeignClient(name = "foo",
             url = "${microservice.foo.feign.url}",
             configuration = FooFeignConfiguration.class)
public interface FooFeignRepository {
}

@Configuration
@RequiredArgsConstructor
public class FooFeignConfiguration {
    
    @Value("${microservice.foo.hystrix.enabled:true}")
    private final Boolean hystrixEnabled;

    @DurationUnit(value = ChronoUnit.MILLIS)
    @Value("${microservice.foo.feign.connect-timeout:5000}")
    private final Duration feignConnectTimeout;
    
    @DurationUnit(value = ChronoUnit.MILLIS)
    @Value("${microservice.foo.feign.read-timeout:5000}")
    private final Duration feignReadTimeout;
    
    @DurationUnit(value = ChronoUnit.MILLIS)
    @Value("${microservice.foo.hystrix.timeout:5000}")
    private final Duration hystrixTimeout;

    @Bean
    @Scope("prototype")
    public Feign.Builder feignBuilder() {
        return (hystrixEnabled ?
            HystrixFeign.builder()
                .options(new Request.Options(
                    (int) feignConnectTimeout.toMillis(), 
                    (int) feignReadTimeout.toMillis()))
                .setterFactory((target, method) -> {
                    return new SetterFactory.Default()
                        .create(target, method)
                        .andCommandPropertiesDefaults(HystrixCommandProperties.Setter()
                            .withExecutionTimeoutInMilliseconds((int) hystrixTimeout.toMillis()));
                }):
            Feign.builder())
        .retryer(Retryer.NEVER_RETRY);
    }
}