component.vue

<template>
  <component-to-re-render :key="reloadMe" />
</template>

<script>
export default { 
  data() { 
    return { 
      reloadMe: 0, 
    }
  }; 
    
  methods: { 
    forceRerender() { this.reloadMe += 1; } 
  } 
}
</script>