diff --git a/README.md b/README.md
index 9c66c05..4536338 100644
--- a/README.md
+++ b/README.md
@@ -131,6 +131,17 @@ export default function App() {
   </tr>
 </table>
 
+### ⚠️ Warning
+Do not override the following props on the input component that you return from the `renderInput` prop. Doing so might lead to unexpected behaviour.
+- `ref`
+- `value`
+- `onChange`
+- `onFocus`
+- `onBlur`
+- `onKeyDown`
+- `onPaste`
+- `type`
+
 ## Migrating from v2
 
 The v3 of `react-otp-input` is a complete rewrite of the library. Apart from making the API more customizable and flexible, this version is a complete rewrite of the library using TypeScript and React Hooks. Here are the breaking changes that you need to be aware of:
diff --git a/package.json b/package.json
index 368bc0d..3dfbae5 100644
--- a/package.json
+++ b/package.json
@@ -1,6 +1,6 @@
 {
   "name": "react-otp-input",
-  "version": "3.0.1",
+  "version": "3.0.2",
   "description": "A fully customizable, one-time password input component for the web built with React",
   "main": "lib/index.js",
   "module": "lib/index.esm.js",
diff --git a/src/index.tsx b/src/index.tsx
index f6b6d11..de05ad6 100644
--- a/src/index.tsx
+++ b/src/index.tsx
@@ -151,6 +151,8 @@ const OTPInput = ({
       event.code === 'ArrowDown'
     ) {
       event.preventDefault();
+    } else if (isInputNum && !isInputValueValid(event.key)) {
+      event.preventDefault();
     }
   };