diff --git a/Gemfile b/Gemfile
index c5be888..cfb194e 100644
--- a/Gemfile
+++ b/Gemfile
@@ -5,5 +5,5 @@ source "https://rubygems.org"
 gem "jekyll", "4.3.3"
 gem "jekyll-feed"
 gem 'jekyll-target-blank'
-gem 'wdm', '~> 0.1.1', :install_if => Gem.win_platform?
+gem 'wdm', '~> 0.2.0', :install_if => Gem.win_platform?
 gem 'jekyll-relative-links'
diff --git a/Gemfile.lock b/Gemfile.lock
index 0fce3b0..7f5989e 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -80,7 +80,7 @@ GEM
     terminal-table (3.0.2)
       unicode-display_width (>= 1.1.1, < 3)
     unicode-display_width (2.5.0)
-    wdm (0.1.1)
+    wdm (0.2.0)
     webrick (1.8.1)
 
 PLATFORMS
@@ -94,7 +94,7 @@ DEPENDENCIES
   jekyll-feed
   jekyll-relative-links
   jekyll-target-blank
-  wdm (~> 0.1.1)
+  wdm (~> 0.2.0)
 
 BUNDLED WITH
    2.5.1