diff --git a/CHANGELOG.md b/CHANGELOG.md
index e550ff0..5378881 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -1,3 +1,7 @@
+# 2.5.1 [#107](https://github.com/patterninc/muffin_man/pull/107)
+
+- Added ORDER_CHANGE to PROCESSING_DIRECTIVE_SUPPORTED_NOTIFICATIONS in Notifications API v1
+
 # 2.5.0 [#102](https://github.com/patterninc/muffin_man/pull/102)
 
 - Restrictive data token for Vendor Direct Fulfillment Shipping v2021-12-28 createShippingLabels
diff --git a/lib/muffin_man/notifications/v1.rb b/lib/muffin_man/notifications/v1.rb
index c5cb1b8..1b494c4 100644
--- a/lib/muffin_man/notifications/v1.rb
+++ b/lib/muffin_man/notifications/v1.rb
@@ -7,7 +7,7 @@ module Notifications
     class V1 < SpApiClient
       NOTIFICATION_PATH = "/notifications/v1"
       NOTIFICATION_SCOPE = "sellingpartnerapi::notifications"
-      PROCESSING_DIRECTIVE_SUPPORTED_NOTIFICATIONS = ["ANY_OFFER_CHANGED"].freeze
+      PROCESSING_DIRECTIVE_SUPPORTED_NOTIFICATIONS = ["ANY_OFFER_CHANGED", "ORDER_CHANGE"].freeze
 
       def create_destination(arn, name, params = {})
         @local_var_path = "#{NOTIFICATION_PATH}/destinations"
@@ -42,7 +42,7 @@ def create_subscription(notification_type, params = {})
         @local_var_path = "#{NOTIFICATION_PATH}/subscriptions/#{notification_type}"
         params = params.transform_keys(&:to_s)
         subscription_params = { "destinationId" => params["destination_id"] }
-        # currently SP-API's `processingDirective` only supports ANY_OFFER_CHANGED notification type.
+        # currently SP-API's `processingDirective` supports ANY_OFFER_CHANGED and ORDER_CHANGE notification types.
         if include_processing_directive?(notification_type, params)
           subscription_params.merge!(
             "processingDirective" => params["processing_directive"]
diff --git a/lib/muffin_man/version.rb b/lib/muffin_man/version.rb
index 2df6eb4..aedd6be 100644
--- a/lib/muffin_man/version.rb
+++ b/lib/muffin_man/version.rb
@@ -1,5 +1,5 @@
 # frozen_string_literal: true
 
 module MuffinMan
-  VERSION = "2.5.0"
+  VERSION = "2.5.1"
 end