diff --git a/src/views/profile.ejs b/src/views/profile.ejs
index acfac2f..ee1ce2b 100644
--- a/src/views/profile.ejs
+++ b/src/views/profile.ejs
@@ -97,6 +97,8 @@
                         <% let day   = typeof(user.dob) == "object" ? user.dob.getDate() + 1 : user.dob.split('-')[2].split('T')[0];%>
                         <% let d = new Date(parseInt(year), parseInt(month), parseInt(day)); %>
                         value="<%= d.getFullYear() + "-" + ("0"+(d.getMonth()+1)).slice(-2) + "-" + ("0" + d.getDate()).slice(-2); %>"
+                        <% let d1 = new Date(); %>
+                        max="<%= (d1.getFullYear() - 18) + "-" +("0"+(d1.getMonth()+1)).slice(-2) + "-" + ("0" + d1.getDate()).slice(-2); %>"
                     >
                 </div>
                 <div>
diff --git a/src/views/questionnaire.ejs b/src/views/questionnaire.ejs
index 8304efa..ea34367 100644
--- a/src/views/questionnaire.ejs
+++ b/src/views/questionnaire.ejs
@@ -8,7 +8,8 @@
         <form action="/questionnaire" method="post" class="space-y-4">
             <div>
                 <label for="dob" class="block text-sm font-medium text-gray-700">Date of Birth <span class="text-red-500">*</span></label>
-                <input type="date" name="dob" class="mt-1 block w-full px-3 py-2 border border-gray-300 rounded-md shadow-sm focus:outline-none focus:ring-blue-500 focus:border-blue-500 sm:text-sm">
+                <% let d = new Date(); %>
+                <input max="<%= (d.getFullYear() - 18) + "-" + ("0"+(d.getMonth()+1)).slice(-2) + "-" + ("0" + d.getDate()).slice(-2); %>" type="date" name="dob" class="mt-1 block w-full px-3 py-2 border border-gray-300 rounded-md shadow-sm focus:outline-none focus:ring-blue-500 focus:border-blue-500 sm:text-sm">
             </div>
             <div>
                 <label for="education" class="block text-sm font-medium text-gray-700">Education <span class="text-red-500">*</span></label>