diff --git a/Gemfile b/Gemfile
index cb78711..0ca6235 100644
--- a/Gemfile
+++ b/Gemfile
@@ -5,7 +5,7 @@ source "https://rubygems.org"
 gemspec
 
 group :development do
-  gem "coveralls", require: false
+  gem "coveralls_reborn", require: false
   gem "faraday", "~> 1.0"
   gem "mocha", "~> 0.13.2"
   gem "rake"
diff --git a/lib/telnyx.rb b/lib/telnyx.rb
index 129cb22..0164ea7 100644
--- a/lib/telnyx.rb
+++ b/lib/telnyx.rb
@@ -46,8 +46,8 @@
 require "telnyx/connection"
 require "telnyx/credential_connection"
 require "telnyx/event"
-require "telnyx/fax"
 require "telnyx/fax_application"
+require "telnyx/fax"
 require "telnyx/fqdn_connection"
 require "telnyx/fqdn"
 require "telnyx/ip_connection"
@@ -55,18 +55,20 @@
 require "telnyx/message"
 require "telnyx/messaging_phone_number"
 require "telnyx/messaging_profile"
+require "telnyx/mobile_operator_network"
 require "telnyx/number_lookup"
 require "telnyx/number_order_document"
 require "telnyx/number_order"
 require "telnyx/number_reservation"
+require "telnyx/ota_update"
 require "telnyx/outbound_voice_profile"
 require "telnyx/phone_number_regulatory_requirement"
 require "telnyx/phone_number"
-require "telnyx/portout"
 require "telnyx/porting_order"
+require "telnyx/portout"
 require "telnyx/public_key"
-require "telnyx/queue"
 require "telnyx/queue_call"
+require "telnyx/queue"
 require "telnyx/regulatory_requirement"
 require "telnyx/sim_card"
 require "telnyx/telephony_credential"
diff --git a/lib/telnyx/mobile_operator_network.rb b/lib/telnyx/mobile_operator_network.rb
new file mode 100644
index 0000000..81aed0e
--- /dev/null
+++ b/lib/telnyx/mobile_operator_network.rb
@@ -0,0 +1,9 @@
+# frozen_string_literal: true
+
+module Telnyx
+  class MobileOperatorNetwork < APIResource
+    extend APIOperations::List
+
+    OBJECT_NAME = "mobile_operator_network".freeze
+  end
+end
diff --git a/lib/telnyx/ota_update.rb b/lib/telnyx/ota_update.rb
new file mode 100644
index 0000000..ec09727
--- /dev/null
+++ b/lib/telnyx/ota_update.rb
@@ -0,0 +1,9 @@
+# frozen_string_literal: true
+
+module Telnyx
+  class OtaUpdate < APIResource
+    extend APIOperations::List
+
+    OBJECT_NAME = "ota_update".freeze
+  end
+end
diff --git a/test/telnyx/mobile_operator_network_test.rb b/test/telnyx/mobile_operator_network_test.rb
new file mode 100644
index 0000000..90122b9
--- /dev/null
+++ b/test/telnyx/mobile_operator_network_test.rb
@@ -0,0 +1,14 @@
+# frozen_string_literal: true
+
+require_relative "../test_helper"
+
+module Telnyx
+  class MobileOperatorNetworkTest < Test::Unit::TestCase
+    should "be listable" do
+      mobile_ops = MobileOperatorNetwork.list
+      assert_requested :get, "#{Telnyx.api_base}/v2/mobile_operator_networks"
+      assert_kind_of ListObject, mobile_ops
+      assert_kind_of MobileOperatorNetwork, mobile_ops.first
+    end
+  end
+end
diff --git a/test/telnyx/ota_update_test.rb b/test/telnyx/ota_update_test.rb
new file mode 100644
index 0000000..f150570
--- /dev/null
+++ b/test/telnyx/ota_update_test.rb
@@ -0,0 +1,20 @@
+# frozen_string_literal: true
+
+require_relative "../test_helper"
+
+module Telnyx
+  class OtaUpdateTest < Test::Unit::TestCase
+    should "be retrievable" do
+      ota_update = OtaUpdate.retrieve "12345"
+      assert_requested :get, "#{Telnyx.api_base}/v2/ota_updates/12345"
+      assert_kind_of OtaUpdate, ota_update
+    end
+
+    should "be listable" do
+      ota_updates = OtaUpdate.list
+      assert_requested :get, "#{Telnyx.api_base}/v2/ota_updates"
+      assert_kind_of ListObject, ota_updates
+      assert_kind_of OtaUpdate, ota_updates.first
+    end
+  end
+end