diff --git a/Gemfile.lock b/Gemfile.lock
index b876f30..a0fb497 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -64,9 +64,9 @@ GEM
     mercenary (0.3.6)
     mini_portile2 (2.4.0)
     minitest (5.11.3)
-    nokogiri (1.10.4)
+    nokogiri (1.10.8)
       mini_portile2 (~> 2.4.0)
-    nokogiri (1.10.4-x64-mingw32)
+    nokogiri (1.10.8-x64-mingw32)
       mini_portile2 (~> 2.4.0)
     pathutil (0.16.2)
       forwardable-extended (~> 2.6)
@@ -85,7 +85,6 @@ GEM
     thread_safe (0.3.6)
     tzinfo (1.2.5)
       thread_safe (~> 0.1)
-    wdm (0.1.1)
 
 PLATFORMS
   ruby
@@ -94,7 +93,6 @@ PLATFORMS
 DEPENDENCIES
   jekyll (~> 3.8.3)
   jekyll-theme-minimalism
-  wdm (>= 0.1.0)
 
 BUNDLED WITH
    1.17.2