diff --git a/resources/views/portal/ninja2020/components/no-cache.blade.php b/resources/views/portal/ninja2020/components/no-cache.blade.php
new file mode 100644
index 000000000000..4a7bc88647a9
--- /dev/null
+++ b/resources/views/portal/ninja2020/components/no-cache.blade.php
@@ -0,0 +1,5 @@
+<meta http-equiv="cache-control" content="max-age=0" />
+<meta http-equiv="cache-control" content="no-cache" />
+<meta http-equiv="expires" content="0" />
+<meta http-equiv="expires" content="Tue, 01 Jan 1980 1:00:00 GMT" />
+<meta http-equiv="pragma" content="no-cache" />
diff --git a/resources/views/portal/ninja2020/credits/show.blade.php b/resources/views/portal/ninja2020/credits/show.blade.php
index 1b914210e85e..6a23a51594f1 100644
--- a/resources/views/portal/ninja2020/credits/show.blade.php
+++ b/resources/views/portal/ninja2020/credits/show.blade.php
@@ -3,6 +3,8 @@
 
 @push('head')
     <meta name="pdf-url" content="{{ $credit->pdf_file_path(null, 'url', true) }}">
+    @include('portal.ninja2020.components.no-cache')
+    
     <script src="{{ asset('js/vendor/pdf.js/pdf.min.js') }}"></script>
 @endpush
 
diff --git a/resources/views/portal/ninja2020/invoices/show.blade.php b/resources/views/portal/ninja2020/invoices/show.blade.php
index aeaee1553fc5..52cdc09ae299 100644
--- a/resources/views/portal/ninja2020/invoices/show.blade.php
+++ b/resources/views/portal/ninja2020/invoices/show.blade.php
@@ -4,6 +4,8 @@
 @push('head')
     <meta name="show-invoice-terms" content="{{ $settings->show_accept_invoice_terms ? true : false }}">
     <meta name="require-invoice-signature" content="{{ $client->user->account->hasFeature(\App\Models\Account::FEATURE_INVOICE_SETTINGS) && $settings->require_invoice_signature }}">
+    @include('portal.ninja2020.components.no-cache')
+    
     <script src="https://cdn.jsdelivr.net/npm/signature_pad@2.3.2/dist/signature_pad.min.js"></script>
 @endpush
 
diff --git a/resources/views/portal/ninja2020/quotes/show.blade.php b/resources/views/portal/ninja2020/quotes/show.blade.php
index da929a86561c..905815a29a3e 100644
--- a/resources/views/portal/ninja2020/quotes/show.blade.php
+++ b/resources/views/portal/ninja2020/quotes/show.blade.php
@@ -8,6 +8,8 @@
     <meta name="show-quote-terms" content="{{ $settings->show_accept_quote_terms ? true : false }}">
     <meta name="require-quote-signature" content="{{ $client->company->account->hasFeature(\App\Models\Account::FEATURE_INVOICE_SETTINGS) && $settings->require_quote_signature }}">
 
+    @include('portal.ninja2020.components.no-cache')
+
     <script src="https://cdn.jsdelivr.net/npm/signature_pad@2.3.2/dist/signature_pad.min.js"></script>
 @endpush