diff --git a/.yarn/install-state.gz b/.yarn/install-state.gz
index 7388a37..7f02916 100644
Binary files a/.yarn/install-state.gz and b/.yarn/install-state.gz differ
diff --git a/src/components/masked-input/MaskedInput.tsx b/src/components/masked-input/MaskedInput.tsx
index 298a21a..0bdb74a 100644
--- a/src/components/masked-input/MaskedInput.tsx
+++ b/src/components/masked-input/MaskedInput.tsx
@@ -6,10 +6,9 @@ import { InputWidth } from 'nhsuk-react-components/dist/esm/util/types/NHSUKType
 
 import FormGroup from './LocalFormGroup';
 
-// import InputMask, { ReactInputMask } from 'react-input-mask';
-import { ReactInputMask } from 'react-input-mask';
+import InputMask, { ReactInputMask } from 'react-input-mask';
 
-// import classNames from 'classnames';
+import classNames from 'classnames';
 
 type InputMaskRef =
   | string
@@ -31,16 +30,15 @@ FormElementProps & {
 const MaskedInput: React.FC<MaskedInputProps> = props => (
   <FormGroup<MaskedInputProps> inputType="input" {...props}>
     {({ className, width, error, ref, ...rest }:any) => (
-      <div>{...rest}</div>
-      // <InputMask
-      //   className={classNames(
-      //     'nhsuk-input',
-      //     { [`nhsuk-input--width-${width}`]: width },
-      //     { 'nhsuk-input--error': error },
-      //     className,
-      //   )}
-      //   {...rest}
-      // />
+      <InputMask
+        className={classNames(
+          'nhsuk-input',
+          { [`nhsuk-input--width-${width}`]: width },
+          { 'nhsuk-input--error': error },
+          className,
+        )}
+        {...rest}
+      />
     )}
   </FormGroup>
 );