diff --git a/Gemfile b/Gemfile
index 91ceacd..22bcbde 100644
--- a/Gemfile
+++ b/Gemfile
@@ -1,2 +1,3 @@
 source 'https://rubygems.org'
-gem 'github-pages', group: :jekyll_plugins
\ No newline at end of file
+gem 'github-pages', group: :jekyll_plugins
+gem 'wdm', '~> 0.1.0'
\ No newline at end of file
diff --git a/Gemfile.lock b/Gemfile.lock
index a288db7..59af61b 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -236,6 +236,7 @@ GEM
     tzinfo (1.2.7)
       thread_safe (~> 0.1)
     unicode-display_width (1.7.0)
+    wdm (0.1.1)
     zeitwerk (2.3.0)
 
 PLATFORMS
@@ -243,6 +244,7 @@ PLATFORMS
 
 DEPENDENCIES
   github-pages
+  wdm (~> 0.1.0)
 
 BUNDLED WITH
    2.1.4