diff --git a/app/controllers/registrar/registrar_nameservers_controller.rb b/app/controllers/registrar/registrar_nameservers_controller.rb
index b4776f70e..1af3cde64 100644
--- a/app/controllers/registrar/registrar_nameservers_controller.rb
+++ b/app/controllers/registrar/registrar_nameservers_controller.rb
@@ -11,7 +11,7 @@ class Registrar
       ipv6 = params[:ipv6].split("\r\n")
 
       uri = URI.parse("#{ENV['repp_url']}registrar/nameservers")
-      request = Net::HTTP::Post.new(uri, 'Content-Type' => 'application/json')
+      request = Net::HTTP::Put.new(uri, 'Content-Type' => 'application/json')
       request.body = { data: { type: 'nameserver', id: params[:old_hostname],
                                attributes: { hostname: params[:new_hostname],
                                              ipv4: ipv4,
diff --git a/test/integration/registrar/nameserver_replacement_test.rb b/test/integration/registrar/nameserver_replacement_test.rb
index bf0c1e44e..a6c1dcb7b 100644
--- a/test/integration/registrar/nameserver_replacement_test.rb
+++ b/test/integration/registrar/nameserver_replacement_test.rb
@@ -12,9 +12,9 @@ class RegistrarNameserverReplacementTest < ActionDispatch::IntegrationTest
                              attributes: { hostname: 'new-ns.bestnames.test',
                                            ipv4: %w[192.0.2.55 192.0.2.56],
                                            ipv6: %w[2001:db8::55 2001:db8::56] } } }
-    request_stub = stub_request(:post, /registrar\/nameservers/).with(body: request_body,
-                                                                      headers: { 'Content-type' => 'application/json' },
-                                                                      basic_auth: ['test_goodnames', 'testtest'])
+    request_stub = stub_request(:put, /registrar\/nameservers/).with(body: request_body,
+                                                                     headers: { 'Content-type' => 'application/json' },
+                                                                     basic_auth: ['test_goodnames', 'testtest'])
                      .to_return(body: { data: [{
                                                  type: 'nameserver',
                                                  id: 'new-ns.bestnames.test'
@@ -35,9 +35,9 @@ class RegistrarNameserverReplacementTest < ActionDispatch::IntegrationTest
   end
 
   def test_fails_gracefully
-    stub_request(:post, /registrar\/nameservers/).to_return(status: 400,
-                                                            body: { errors: [{ title: 'epic fail' }] }.to_json,
-                                                            headers: { 'Content-type' => 'application/json' })
+    stub_request(:put, /registrar\/nameservers/).to_return(status: 400,
+                                                           body: { errors: [{ title: 'epic fail' }] }.to_json,
+                                                           headers: { 'Content-type' => 'application/json' })
 
     visit registrar_domains_url
     click_link 'Replace nameserver'