diff --git a/Gemfile b/Gemfile
index e08d61455ce3..89f198fb4fde 100644
--- a/Gemfile
+++ b/Gemfile
@@ -4,7 +4,7 @@ ruby '> 2.5.0'
 
 group :development do
   gem 'rake', '13.0.1'
-  gem 'jekyll', '4.1.1'
+  gem 'jekyll', '4.3.1'
   gem 'compass', '1.0.3'
   gem 'sass-globbing', '1.1.5'
   gem 'stringex', '2.8.5'
diff --git a/Gemfile.lock b/Gemfile.lock
index d7025b750e55..4c543405d204 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -1,8 +1,8 @@
 GEM
   remote: https://rubygems.org/
   specs:
-    addressable (2.7.0)
-      public_suffix (>= 2.0.2, < 5.0)
+    addressable (2.8.1)
+      public_suffix (>= 2.0.2, < 6.0)
     chunky_png (1.3.12)
     colorator (1.1.0)
     commonmarker (0.21.0)
@@ -19,40 +19,41 @@ GEM
       sass (>= 3.3.0, < 3.5)
     compass-import-once (1.0.5)
       sass (>= 3.2, < 3.5)
-    concurrent-ruby (1.1.7)
-    em-websocket (0.5.1)
+    concurrent-ruby (1.1.10)
+    em-websocket (0.5.3)
       eventmachine (>= 0.12.9)
-      http_parser.rb (~> 0.6.0)
+      http_parser.rb (~> 0)
     eventmachine (1.2.7)
     eventmachine (1.2.7-x64-mingw32)
-    ffi (1.13.1)
-    ffi (1.13.1-x64-mingw32)
+    ffi (1.15.5)
+    ffi (1.15.5-x64-mingw32)
     forwardable-extended (2.6.0)
-    http_parser.rb (0.6.0)
-    i18n (1.8.5)
+    http_parser.rb (0.8.0)
+    i18n (1.12.0)
       concurrent-ruby (~> 1.0)
-    jekyll (4.1.1)
+    jekyll (4.3.1)
       addressable (~> 2.4)
       colorator (~> 1.0)
       em-websocket (~> 0.5)
       i18n (~> 1.0)
-      jekyll-sass-converter (~> 2.0)
+      jekyll-sass-converter (>= 2.0, < 4.0)
       jekyll-watch (~> 2.0)
-      kramdown (~> 2.1)
+      kramdown (~> 2.3, >= 2.3.1)
       kramdown-parser-gfm (~> 1.0)
       liquid (~> 4.0)
-      mercenary (~> 0.4.0)
+      mercenary (>= 0.3.6, < 0.5)
       pathutil (~> 0.9)
-      rouge (~> 3.0)
+      rouge (>= 3.0, < 5.0)
       safe_yaml (~> 1.0)
-      terminal-table (~> 1.8)
+      terminal-table (>= 1.8, < 4.0)
+      webrick (~> 1.7)
     jekyll-commonmark (1.3.1)
       commonmarker (~> 0.14)
       jekyll (>= 3.7, < 5.0)
     jekyll-paginate (1.1.0)
     jekyll-redirect-from (0.16.0)
       jekyll (>= 3.3, < 5.0)
-    jekyll-sass-converter (2.1.0)
+    jekyll-sass-converter (2.2.0)
       sassc (> 2.0.1, < 3.0)
     jekyll-sitemap (1.4.0)
       jekyll (>= 3.7, < 5.0)
@@ -60,12 +61,12 @@ GEM
       jekyll
     jekyll-watch (2.2.1)
       listen (~> 3.0)
-    kramdown (2.3.0)
+    kramdown (2.4.0)
       rexml
     kramdown-parser-gfm (1.1.0)
       kramdown (~> 2.0)
     liquid (4.0.3)
-    listen (3.2.1)
+    listen (3.7.1)
       rb-fsevent (~> 0.10, >= 0.10.3)
       rb-inotify (~> 0.9, >= 0.9.10)
     mercenary (0.4.0)
@@ -79,16 +80,16 @@ GEM
       mini_portile2 (~> 2.4.0)
     pathutil (0.16.2)
       forwardable-extended (~> 2.6)
-    public_suffix (4.0.6)
+    public_suffix (4.0.7)
     rack (2.2.3)
     rack-protection (2.1.0)
       rack
     rake (13.0.1)
-    rb-fsevent (0.10.4)
+    rb-fsevent (0.11.2)
     rb-inotify (0.10.1)
       ffi (~> 1.0)
-    rexml (3.2.4)
-    rouge (3.23.0)
+    rexml (3.2.5)
+    rouge (3.30.0)
     ruby-enum (0.8.0)
       i18n
     ruby2_keywords (0.0.2)
@@ -106,14 +107,15 @@ GEM
       rack-protection (= 2.1.0)
       tilt (~> 2.0)
     stringex (2.8.5)
-    terminal-table (1.8.0)
-      unicode-display_width (~> 1.1, >= 1.1.1)
+    terminal-table (3.0.2)
+      unicode-display_width (>= 1.1.1, < 3)
     tilt (2.0.10)
     tzinfo (2.0.2)
       concurrent-ruby (~> 1.0)
     tzinfo-data (1.2020.1)
       tzinfo (>= 1.0.0)
-    unicode-display_width (1.7.0)
+    unicode-display_width (2.3.0)
+    webrick (1.7.0)
 
 PLATFORMS
   ruby
@@ -121,7 +123,7 @@ PLATFORMS
 
 DEPENDENCIES
   compass (= 1.0.3)
-  jekyll (= 4.1.1)
+  jekyll (= 4.3.1)
   jekyll-commonmark (= 1.3.1)
   jekyll-paginate (= 1.1.0)
   jekyll-redirect-from (= 0.16.0)