diff --git a/app/models/account.rb b/app/models/account.rb
index ebb57cd3c..81e57a6ed 100644
--- a/app/models/account.rb
+++ b/app/models/account.rb
@@ -76,7 +76,7 @@ class Account < ApplicationRecord
   USERNAME_ONLY_RE = /\A#{USERNAME_RE}\z/i
   USERNAME_LENGTH_LIMIT = 30
   DISPLAY_NAME_LENGTH_LIMIT = 30
-  NOTE_LENGTH_LIMIT = 500
+  NOTE_LENGTH_LIMIT = 1000
 
   AUTOMATED_ACTOR_TYPES = %w(Application Service).freeze