Jackson mapper expands LocalDate

We have a DTO defined with a LocalDate:

@JsonProperty("dob")
@JsonFormat(shape = JsonFormat.Shape.STRING, pattern = "yyyy-MM-dd")
private LocalDate dob;

We have code with an ObjectMapper defined as follows:

private static final ObjectMapper makeMapper() {
    ObjectMapper mapper = new ObjectMapper();
    mapper.registerModule(new ParameterNamesModule());
    mapper.registerModule(new Jdk8Module());
    mapper.registerModule(new JavaTimeModule());
    return mapper;
}

We have all the jackson-datababindm core, jsr310 in our pom.xml file:

    <!-- Jackson JSON Mapping -->
    <dependency>
        <groupId>com.fasterxml.jackson.core</groupId>
        <artifactId>jackson-core</artifactId>
        <version>2.8.8</version>
    </dependency>
    <dependency>
        <groupId>com.fasterxml.jackson.core</groupId>
        <artifactId>jackson-databind</artifactId>
        <version>2.8.8.1</version>
    </dependency>
    <dependency>
        <groupId>com.fasterxml.jackson.core</groupId>
        <artifactId>jackson-annotations</artifactId>
        <version>2.8.8</version>
    </dependency>
    <dependency>
        <groupId>com.fasterxml.jackson.module</groupId>
        <artifactId>jackson-module-parameter-names</artifactId>
        <version>2.8.8</version>
    </dependency>
    <dependency>
        <groupId>com.fasterxml.jackson.datatype</groupId>
        <artifactId>jackson-datatype-jdk8</artifactId>
        <version>2.8.8</version>
    </dependency>
    <dependency>
        <groupId>com.fasterxml.jackson.datatype</groupId>
        <artifactId>jackson-datatype-jsr310</artifactId>
        <version>2.8.8</version>
    </dependency>

So, when I convert my object to a JSON string:

    String json = makeMapper().writeValueAsString(myobject);

The dob writes to the JSON string as:

"dob":{ "year": 1964, "month": "FEBRUARY", "chronology": { "calendarType": "iso8601", "id": "ISO" }, "monthValue": 2, "dayOfMonth": 13, "dayOfWeek": "THURSDAY", "era": "CE", "dayOfYear": 44, "leapYear": true}

instead of: "dob":"1964-02-13" which is correct.

So, I am not sure how I made this happen?
I'd like to make sure the date gets written out correct, so I can re-parse back to a LocalDate. Or, is there a way I can take the existing JSON (expanded) and parse that back to a LocalDate?

Thanks!