diff --git a/lib/adyen/services/checkout.rb b/lib/adyen/services/checkout.rb
index 0eaee29d..ae35a40d 100644
--- a/lib/adyen/services/checkout.rb
+++ b/lib/adyen/services/checkout.rb
@@ -2,7 +2,7 @@
 
 module Adyen
   class Checkout < Service
-    DEFAULT_VERSION = 40
+    DEFAULT_VERSION = 41
 
     def initialize(client, version = DEFAULT_VERSION)
       service = 'Checkout'
diff --git a/lib/adyen/version.rb b/lib/adyen/version.rb
index e1e40767..83711010 100644
--- a/lib/adyen/version.rb
+++ b/lib/adyen/version.rb
@@ -1,4 +1,4 @@
 module Adyen
   NAME = "adyen-ruby-api-library"
-  VERSION = "1.2.0".freeze
+  VERSION = "2.0.0".freeze
 end