diff --git a/Gemfile b/Gemfile
index a97efb2..cfe304f 100644
--- a/Gemfile
+++ b/Gemfile
@@ -6,6 +6,6 @@ group :jekyll_plugins do
 end
 
 # Performance-booster for watching directories on Windows
-gem "wdm", "~> 0.1.0", :install_if => Gem.win_platform?
+gem "wdm", "~> 0.2.0", :install_if => Gem.win_platform?
 
 gem "webrick", "~> 1.8"
diff --git a/Gemfile.lock b/Gemfile.lock
index fa05fb3..39766de 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -269,7 +269,7 @@ GEM
       concurrent-ruby (~> 1.0)
     unicode-display_width (1.8.0)
     uri (0.13.1)
-    wdm (0.1.1)
+    wdm (0.2.0)
     webrick (1.8.2)
 
 PLATFORMS
@@ -278,7 +278,7 @@ PLATFORMS
 
 DEPENDENCIES
   github-pages
-  wdm (~> 0.1.0)
+  wdm (~> 0.2.0)
   webrick (~> 1.8)
 
 BUNDLED WITH