diff --git a/Library/Homebrew/dev-cmd/typecheck.rb b/Library/Homebrew/dev-cmd/typecheck.rb
index b39f53592c..a178281649 100644
--- a/Library/Homebrew/dev-cmd/typecheck.rb
+++ b/Library/Homebrew/dev-cmd/typecheck.rb
@@ -53,7 +53,7 @@ module Homebrew
         ]
 
         ohai "Updating Tapioca RBI files..."
-        system "bundle", "exec", "tapioca", "sync", "--exclude", *excluded_gems
+        system "bundle", "exec", "tapioca", "gem", "--exclude", *excluded_gems
         system "bundle", "exec", "parlour"
         system "bundle", "exec", "srb", "rbi", "hidden-definitions"
         system "bundle", "exec", "srb", "rbi", "todo"