Bump version to 2.1.0rc4

diff --git a/lib/mastodon/version.rb b/lib/mastodon/version.rb
index f59ec97cd0e97b99d290429d88cb8e9886b4e948..a430ac2252ad029b69e6ca9602e9505703e17064 100644 (file)
--- a/lib/mastodon/version.rb
+++ b/lib/mastodon/version.rb
@@ -17,7 +17,7 @@ module Mastodon
     end
 
     def pre
-      'rc3'
+      'rc4'
     end
 
     def flags