diff --git a/app/models/access_token.rb b/app/models/access_token.rb
index 5f8be162..48847787 100644
--- a/app/models/access_token.rb
+++ b/app/models/access_token.rb
@@ -21,7 +21,7 @@
 #  fk_rails_...  (user_id => users.id)
 #
 class AccessToken < ApplicationRecord
-  TOKEN_LENGTH = 22
+  TOKEN_LENGTH = 43
 
   belongs_to :user