diff --git a/core/src/components/radio-group/radio-group.tsx b/core/src/components/radio-group/radio-group.tsx
index a8762b5f8a..e54477d88c 100644
--- a/core/src/components/radio-group/radio-group.tsx
+++ b/core/src/components/radio-group/radio-group.tsx
@@ -34,6 +34,11 @@ export class RadioGroup implements ComponentInterface {
    */
   @Prop() name: string = this.inputId;
 
+  /**
+   * If `true`, the user must fill in a value before submitting a form.
+   */
+  @Prop() required = false;
+
   /**
    * the value of the radio group.
    */
@@ -225,12 +230,12 @@ export class RadioGroup implements ComponentInterface {
   }
 
   render() {
-    const { label, labelId, el, name, value } = this;
+    const { label, labelId, el, name, value, required } = this;
     const mode = getIonMode(this);
 
     renderHiddenInput(true, el, name, value, false);
 
-    return <Host role="radiogroup" aria-labelledby={label ? labelId : null} onClick={this.onClick} class={mode}></Host>;
+    return <Host role="radiogroup" aria-labelledby={label ? labelId : null} onClick={this.onClick} class={mode} aria-required={`${required}`}></Host>;
   }
 }