v-on:change not working in vue-select

[william-jay]

<v-select :value="courseID" v-on:change="fetchProspectus" label="courseCode" :options="courses" v-model="form.course"></v-select>

`<script>
Vue.component("v-select", VueSelect.VueSelect);

new Vue({
el: '#app',
data: {
form: {
course: ''
}
courses: [
{courseID: 1, courseCode: 'BSIT'}
],
},
methods: {
fetchProspectus() {
alert('asd');
}
}

});
</script>`

`<script src="https://unpkg.com/vue@latest"></script>

<script src="https://unpkg.com/vue-select@latest"></script>`