diff --git a/src/pages/landing/signup/index.js b/src/pages/landing/signup/index.tsx
similarity index 95%
rename from src/pages/landing/signup/index.js
rename to src/pages/landing/signup/index.tsx
index dafc0f47905..16a9b4b4d68 100644
--- a/src/pages/landing/signup/index.js
+++ b/src/pages/landing/signup/index.tsx
@@ -1,6 +1,5 @@
 import React, { useState } from 'react'
 import styled from 'styled-components'
-import PropTypes from 'prop-types'
 import Signup, { Appearances } from 'components/custom/signup'
 import Layout from 'components/layout/layout'
 import { localize, WithIntl } from 'components/localization'
@@ -62,7 +61,10 @@ const NewSignup = () => {
     const [submit_state, setSubmitState] = useState('')
     const [email, setEmail] = useState('')
 
-    function updateSubmitState(submitStatus, email) {
+    function updateSubmitState(
+        submitStatus: React.SetStateAction<string>,
+        email: React.SetStateAction<string>,
+    ) {
         setSubmitState(submitStatus)
         setEmail(email)
     }
@@ -107,8 +109,4 @@ const NewSignup = () => {
     )
 }
 
-NewSignup.propTypes = {
-    autofocus: PropTypes.bool,
-}
-
 export default WithIntl()(NewSignup)
diff --git a/src/pages/signup/index.js b/src/pages/signup/index.tsx
similarity index 95%
rename from src/pages/signup/index.js
rename to src/pages/signup/index.tsx
index 457900124a7..5f4c720e0f7 100644
--- a/src/pages/signup/index.js
+++ b/src/pages/signup/index.tsx
@@ -62,7 +62,10 @@ const NewSignup = () => {
     const [submit_state, setSubmitState] = useState('')
     const [email, setEmail] = useState('')
 
-    const updateSubmitState = (status_arg, email_arg) => {
+    const updateSubmitState = (
+        status_arg: React.SetStateAction<string>,
+        email_arg: React.SetStateAction<string>,
+    ) => {
         setSubmitState(status_arg)
         setEmail(email_arg)
     }