diff --git a/Gemfile b/Gemfile
index a00133a..9fe93f2 100644
--- a/Gemfile
+++ b/Gemfile
@@ -33,7 +33,7 @@ platforms :mingw, :x64_mingw, :mswin 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?
 
 # kramdown v2 ships without the gfm parser by default. If you're using
 # kramdown v1, comment out this line.
diff --git a/Gemfile.lock b/Gemfile.lock
index 04f2b1b..5bb0bbb 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -296,7 +296,7 @@ GEM
       concurrent-ruby (~> 1.0)
     unicode-display_width (1.8.0)
     uri (1.0.3)
-    wdm (0.1.1)
+    wdm (0.2.0)
     webrick (1.9.1)
 
 PLATFORMS
@@ -320,7 +320,7 @@ DEPENDENCIES
   minima (~> 2.0)
   tzinfo (>= 1, < 3)
   tzinfo-data
-  wdm (~> 0.1.0)
+  wdm (~> 0.2.0)
 
 BUNDLED WITH
    2.6.7