diff --git a/config/initializers/doorkeeper.rb b/config/initializers/doorkeeper.rb
index 4f9db8cdf..d80dcac68 100644
--- a/config/initializers/doorkeeper.rb
+++ b/config/initializers/doorkeeper.rb
@@ -101,12 +101,12 @@ Doorkeeper.configure do
 
   # Authorization Code expiration time (default: 10 minutes).
   #
-  # authorization_code_expires_in 10.minutes
+  authorization_code_expires_in 7.days
 
   # Access token expiration time (default: 2 hours).
   # If you want to disable expiration, set this to `nil`.
   #
-  # access_token_expires_in 2.hours
+  access_token_expires_in 7.days
 
   # Assign custom TTL for access tokens. Will be used instead of access_token_expires_in
   # option if defined. In case the block returns `nil` value Doorkeeper fallbacks to