diff --git a/config/deploy.rb b/config/deploy.rb
index 2bdb115950fb9bc17a2cd512e8f6c5d9d7201fa9..b69a83067486812abe010c02e8c389600748da6c 100644
--- a/config/deploy.rb
+++ b/config/deploy.rb
@@ -3,7 +3,7 @@
 lock '3.17.1'
 
 set :repo_url, ENV.fetch('REPO', 'https://github.com/mastodon/mastodon.git')
-set :branch, ENV.fetch('BRANCH', 'master')
+set :branch, ENV.fetch('BRANCH', 'main')
 
 set :application, 'mastodon'
 set :rbenv_type, :user