diff --git a/lib/hello_sign/api/signature_request.rb b/lib/hello_sign/api/signature_request.rb
index ced710b..fe62351 100644
--- a/lib/hello_sign/api/signature_request.rb
+++ b/lib/hello_sign/api/signature_request.rb
@@ -181,6 +181,7 @@ def send_signature_request(opts)
       #    :title => 'Purchase Order',
       #    :subject => 'Purchase Order',
       #    :message => 'Glad we could come to an agreement.',
+      #    :files => ['NDA.pdf', 'AppendixA.pdf'],
       #    :metadata => {
       #      :client_id => '1234',
       #      :custom_text => 'NDA #9'
@@ -209,6 +210,7 @@ def send_signature_request_with_template(opts)
         prepare_ccs opts
         prepare_templates opts
         prepare_custom_fields opts
+        prepare_files opts
 
         HelloSign::Resource::SignatureRequest.new post('/signature_request/send_with_template', :body => opts)
       end
@@ -359,6 +361,7 @@ def create_embedded_signature_request(opts)
       #     :title => 'Purchase Order',
       #     :subject => 'Purchase Order',
       #     :message => 'Glad we could come to an agreement.',
+      #     :files => ['NDA.pdf', 'AppendixA.pdf'],
       #     :metadata => {
       #      :client_id => '1234',
       #      :custom_text => 'NDA #9'
@@ -387,6 +390,7 @@ def create_embedded_signature_request_with_template(opts)
         prepare_ccs opts
         prepare_templates opts
         prepare_custom_fields opts
+        prepare_files opts
 
         HelloSign::Resource::SignatureRequest.new post('/signature_request/create_embedded_with_template', :body => opts)
       end
diff --git a/lib/hello_sign/api/unclaimed_draft.rb b/lib/hello_sign/api/unclaimed_draft.rb
index e04683e..294910b 100644
--- a/lib/hello_sign/api/unclaimed_draft.rb
+++ b/lib/hello_sign/api/unclaimed_draft.rb
@@ -178,6 +178,7 @@ def create_embedded_unclaimed_draft(opts)
       #     :template_id => 'c26b8a16784a872da37ea946b9ddec7c1e11dff6',
       #     :requester_email_address => requester@example.com",
       #     :message => 'Please sign this NDA and then we can discuss more. Let me know if you have any questions.',
+      #     :files => ['NDA.pdf', 'AppendixA.pdf'],
       #     :metadata => {
       #      :client_id => '1234',
       #      :custom_text => 'NDA #9'
@@ -205,6 +206,7 @@ def create_embedded_unclaimed_draft_with_template(opts)
         prepare_signers opts
         prepare_ccs opts
         prepare_templates opts
+        prepare_files opts
         HelloSign::Resource::UnclaimedDraft.new post('/unclaimed_draft/create_embedded_with_template', :body => opts)
       end
 
diff --git a/lib/hello_sign/version.rb b/lib/hello_sign/version.rb
index ec1834b..57260a6 100644
--- a/lib/hello_sign/version.rb
+++ b/lib/hello_sign/version.rb
@@ -23,5 +23,5 @@
 #
 
 module HelloSign
-  VERSION = '3.5.1'
+  VERSION = '3.5.2'
 end