diff --git a/Gemfile.lock b/Gemfile.lock
index 4fba35e..9bbd97e 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -1,14 +1,16 @@
 GEM
   remote: https://rubygems.org/
   specs:
-    addressable (2.7.0)
+    addressable (2.8.0)
       public_suffix (>= 2.0.2, < 5.0)
     colorator (1.1.0)
     concurrent-ruby (1.1.7)
     em-websocket (0.5.2)
       eventmachine (>= 0.12.9)
       http_parser.rb (~> 0.6.0)
+    eventmachine (1.2.7)
     eventmachine (1.2.7-x64-mingw32)
+    ffi (1.14.2)
     ffi (1.14.2-x64-mingw32)
     forwardable-extended (2.6.0)
     http_parser.rb (0.6.0)
@@ -56,6 +58,8 @@ GEM
     rexml (3.2.4)
     rouge (3.26.0)
     safe_yaml (1.0.5)
+    sassc (2.4.0)
+      ffi (~> 1.9)
     sassc (2.4.0-x64-mingw32)
       ffi (~> 1.9)
     terminal-table (2.0.0)
@@ -65,10 +69,10 @@ GEM
     tzinfo-data (1.2020.6)
       tzinfo (>= 1.0.0)
     unicode-display_width (1.7.0)
-    wdm (0.1.1)
 
 PLATFORMS
   x64-mingw32
+  x86_64-linux
 
 DEPENDENCIES
   jekyll (>= 3.8.5)
@@ -76,7 +80,6 @@ DEPENDENCIES
   jekyll-paginate (~> 1.1.0)
   jekyll-sitemap
   tzinfo-data
-  wdm (~> 0.1.0)
 
 BUNDLED WITH
    2.2.4