diff --git a/lib/jekyll/commands/new.rb b/lib/jekyll/commands/new.rb
index f930d4d7ff8..3947ce43a3e 100644
--- a/lib/jekyll/commands/new.rb
+++ b/lib/jekyll/commands/new.rb
@@ -89,6 +89,9 @@ def gemfile_contents
 # Windows does not include zoneinfo files, so bundle the tzinfo-data gem
 gem "tzinfo-data", platforms: [:mingw, :mswin, :x64_mingw, :jruby]
 
+# Performance-booster for watching directories on Windows
+gem "wdm", "~> 0.1.0" if Gem.win_platform?
+
 RUBY
         end