diff --git a/Gemfile b/Gemfile
index 57a659fd..0b50dab4 100644
--- a/Gemfile
+++ b/Gemfile
@@ -6,4 +6,4 @@ gem 'github-pages', group: :jekyll_plugins
 # https://jekyllrb.com/docs/windows/#time-zone-management
 gem 'tzinfo-data', platforms: [:mingw, :mswin, :x64_mingw, :jruby]
 # https://jekyllrb.com/docs/windows/#auto-regeneration
-gem 'wdm', '~> 0.1.1' if Gem.win_platform?
+gem 'wdm', '~> 0.2.0' if Gem.win_platform?