diff --git a/src/Explorer/Controls/ThroughputInput/ThroughputInput.tsx b/src/Explorer/Controls/ThroughputInput/ThroughputInput.tsx
index 8c780cebc..de8b7757a 100644
--- a/src/Explorer/Controls/ThroughputInput/ThroughputInput.tsx
+++ b/src/Explorer/Controls/ThroughputInput/ThroughputInput.tsx
@@ -118,6 +118,7 @@ export const ThroughputInput: FunctionComponent<ThroughputInputProps> = ({
         <input
           className="throughputInputRadioBtn"
           aria-label="Autoscale mode"
+          aria-required={true}
           checked={isAutoscaleSelected}
           type="radio"
           role="radio"
@@ -131,6 +132,7 @@ export const ThroughputInput: FunctionComponent<ThroughputInputProps> = ({
           aria-label="Manual mode"
           checked={!isAutoscaleSelected}
           type="radio"
+          aria-required={true}
           role="radio"
           tabIndex={0}
           onChange={(e) => handleOnChangeMode(e, "Manual")}
diff --git a/src/Explorer/Controls/ThroughputInput/__snapshots__/ThroughputInput.test.tsx.snap b/src/Explorer/Controls/ThroughputInput/__snapshots__/ThroughputInput.test.tsx.snap
index 4a928aae8..0798c01ef 100644
--- a/src/Explorer/Controls/ThroughputInput/__snapshots__/ThroughputInput.test.tsx.snap
+++ b/src/Explorer/Controls/ThroughputInput/__snapshots__/ThroughputInput.test.tsx.snap
@@ -654,6 +654,7 @@ exports[`ThroughputInput Pane should render Default properly 1`] = `
       >
         <input
           aria-label="Autoscale mode"
+          aria-required={true}
           checked={true}
           className="throughputInputRadioBtn"
           key=".0:$.0"
@@ -670,6 +671,7 @@ exports[`ThroughputInput Pane should render Default properly 1`] = `
         </span>
         <input
           aria-label="Manual mode"
+          aria-required={true}
           checked={false}
           className="throughputInputRadioBtn"
           key=".0:$.2"