diff a/src/lib/components/Dropdown/Dropdown.js b/src/lib/components/Dropdown/Dropdown.js	(rejected hunks)
@@ -37,12 +37,12 @@
 		this.setState({ isOpen: !this.state.isOpen });
 	}
 
-	handleSelection = (selectionEvent, optionId, index, value) => {
+	handleSelection = (selectionEvent) => {
 		this.setState({
 			dropdownLabel: selectionEvent.target.getAttribute('data-label'),
 			isOpen: false,
 			selectedOption: selectionEvent.target.value
-		}, this.props.onChange(selectionEvent, optionId, index,value));
+		}, this.props.onChange(selectionEvent));
 	}
 
 	render = () => {