diff --git a/app/static/js/update-user-info.js b/app/static/js/update-user-info.js
new file mode 100644
index 0000000..84a5e57
--- /dev/null
+++ b/app/static/js/update-user-info.js
@@ -0,0 +1,9 @@
+(() => {
+    'use strict'
+    const personalInformationForm = document.querySelector('#personal-information-form');
+    const personalInformationSubmitBtn = personalInformationForm.querySelector('button');
+    personalInformationSubmitBtn.disabled = true;
+    personalInformationForm.oninput = function (){
+        personalInformationSubmitBtn.disabled = false;
+    }
+})()
\ No newline at end of file
diff --git a/app/templates/users/index.html b/app/templates/users/index.html
index 63523fd..5003009 100644
--- a/app/templates/users/index.html
+++ b/app/templates/users/index.html
@@ -24,7 +24,7 @@ super() }}
             {% endif %} 
           {% endwith %}
           <h5 class="card-title">Personal information</h5>
-          <form class="needs-validation" method="post" novalidate>
+          <form id="personal-information-form" class="needs-validation" method="post" novalidate>
             <div class="mb-3">
               <label class="form-label" for="name">Name</label>
               <input
@@ -172,6 +172,7 @@ super() }}
     </div>
   </div>
 </div>
+<script src="{{ url_for('static', filename='js/update-user-info.js') }}"></script>
 <script src="{{ url_for('static', filename='js/validate-form.js') }}"></script>
 <script src="{{ url_for('static', filename='js/passwords-match.js') }}"></script>
 {% endblock %}