diff --git a/app/javascript/mastodon/features/compose/components/compose_form.jsx b/app/javascript/mastodon/features/compose/components/compose_form.jsx
index 9222b2dc87..1b9979036f 100644
--- a/app/javascript/mastodon/features/compose/components/compose_form.jsx
+++ b/app/javascript/mastodon/features/compose/components/compose_form.jsx
@@ -297,7 +297,7 @@ class ComposeForm extends ImmutablePureComponent {
             </div>
 
             <div className='character-counter__wrapper'>
-              <CharacterCounter max={500} text={this.getFulltextForCharacterCounting()} />
+              <CharacterCounter max={700} text={this.getFulltextForCharacterCounting()} />
             </div>
           </div>
         </div>
diff --git a/app/validators/status_length_validator.rb b/app/validators/status_length_validator.rb
index dc841ded3e..9636a6a09d 100644
--- a/app/validators/status_length_validator.rb
+++ b/app/validators/status_length_validator.rb
@@ -1,7 +1,7 @@
 # frozen_string_literal: true
 
 class StatusLengthValidator < ActiveModel::Validator
-  MAX_CHARS = 500
+  MAX_CHARS = 700
   URL_PLACEHOLDER_CHARS = 23
   URL_PLACEHOLDER = 'x' * 23