diff --git a/docs/Gemfile.lock b/docs/Gemfile.lock
index de223cb6..8eb98aeb 100644
--- a/docs/Gemfile.lock
+++ b/docs/Gemfile.lock
@@ -6,8 +6,8 @@ GEM
       i18n (>= 1.6, < 2)
       minitest (>= 5.1)
       tzinfo (~> 2.0)
-    addressable (2.8.0)
-      public_suffix (>= 2.0.2, < 5.0)
+    addressable (2.8.5)
+      public_suffix (>= 2.0.2, < 6.0)
     colorator (1.1.0)
     concurrent-ruby (1.2.2)
     cssminify2 (2.0.1)
@@ -19,14 +19,14 @@ GEM
     ffi (1.15.5)
     forwardable-extended (2.6.0)
     gemoji (3.0.1)
-    html-pipeline (2.14.0)
+    html-pipeline (2.14.3)
       activesupport (>= 2)
       nokogiri (>= 1.4)
     htmlcompressor (0.4.0)
     http_parser.rb (0.8.0)
     i18n (1.14.1)
       concurrent-ruby (~> 1.0)
-    jekyll (4.2.1)
+    jekyll (4.2.2)
       addressable (~> 2.4)
       colorator (~> 1.0)
       em-websocket (~> 0.5)
@@ -49,7 +49,7 @@ GEM
       uglifier (~> 4.1)
     jekyll-relative-links (0.6.1)
       jekyll (>= 3.3, < 5.0)
-    jekyll-sass-converter (2.1.0)
+    jekyll-sass-converter (2.2.0)
       sassc (> 2.0.1, < 3.0)
     jekyll-seo-tag (2.7.1)
       jekyll (>= 3.8, < 5.0)
@@ -64,30 +64,30 @@ GEM
       gemoji (~> 3.0)
       html-pipeline (~> 2.2)
       jekyll (>= 3.0, < 5.0)
-    json (2.6.1)
+    json (2.6.3)
     json-minify (0.0.3)
       json (> 0)
-    kramdown (2.3.1)
+    kramdown (2.4.0)
       rexml
     kramdown-parser-gfm (1.1.0)
       kramdown (~> 2.0)
-    liquid (4.0.3)
-    listen (3.7.1)
+    liquid (4.0.4)
+    listen (3.8.0)
       rb-fsevent (~> 0.10, >= 0.10.3)
       rb-inotify (~> 0.9, >= 0.9.10)
     mercenary (0.4.0)
     minitest (5.19.0)
-    nokogiri (1.14.3-x86_64-linux)
+    nokogiri (1.15.4-x86_64-linux)
       racc (~> 1.4)
     pathutil (0.16.2)
       forwardable-extended (~> 2.6)
-    public_suffix (4.0.6)
-    racc (1.6.2)
-    rb-fsevent (0.11.0)
+    public_suffix (5.0.3)
+    racc (1.7.1)
+    rb-fsevent (0.11.2)
     rb-inotify (0.10.1)
       ffi (~> 1.0)
-    rexml (3.2.5)
-    rouge (3.28.0)
+    rexml (3.2.6)
+    rouge (3.30.0)
     safe_yaml (1.0.5)
     sassc (2.4.0)
       ffi (~> 1.9)
@@ -98,6 +98,7 @@ GEM
     uglifier (4.2.0)
       execjs (>= 0.3.0, < 3)
     unicode-display_width (1.8.0)
+    webrick (1.8.1)
 
 PLATFORMS
   x86_64-linux
@@ -111,6 +112,7 @@ DEPENDENCIES
   jekyll-theme-hacker (~> 0.2.0)
   jemoji (~> 0.12.0)
   tzinfo-data
+  webrick
 
 BUNDLED WITH
-   2.3.5
+   2.4.19