diff --git a/Gemfile.lock b/Gemfile.lock
index 12a81f811..f55ead0f4 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -36,8 +36,10 @@ GEM
       eventmachine (>= 0.12.9)
       http_parser.rb (~> 0.6.0)
     erubi (1.9.0)
+    eventmachine (1.2.7)
     eventmachine (1.2.7-x64-mingw32)
     execjs (2.7.0)
+    ffi (1.15.0)
     ffi (1.15.0-x64-mingw32)
     forwardable-extended (2.6.0)
     http_parser.rb (0.6.0)
@@ -87,13 +89,15 @@ GEM
     method_source (1.0.0)
     mini_portile2 (2.4.0)
     minitest (5.14.0)
+    nokogiri (1.10.9)
+      mini_portile2 (~> 2.4.0)
     nokogiri (1.10.9-x64-mingw32)
       mini_portile2 (~> 2.4.0)
     pathutil (0.16.2)
       forwardable-extended (~> 2.6)
     popper_js (1.16.0)
     public_suffix (4.0.6)
-    rack (2.2.2)
+    rack (2.2.6.2)
     rack-test (1.1.0)
       rack (>= 1.0, < 3)
     rails-dom-testing (2.0.3)
@@ -114,6 +118,8 @@ GEM
     rexml (3.2.5)
     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)
     sassc-rails (2.1.2)
@@ -137,10 +143,10 @@ GEM
     tzinfo (1.2.9)
       thread_safe (~> 0.1)
     unicode-display_width (1.7.0)
-    wdm (0.1.1)
     zeitwerk (2.3.0)
 
 PLATFORMS
+  ruby
   x64-mingw32
 
 DEPENDENCIES
@@ -153,7 +159,6 @@ DEPENDENCIES
   jekyll-sitemap
   kramdown
   rouge
-  wdm (>= 0.1.0)
 
 BUNDLED WITH
    1.17.2