diff --git a/site/Gemfile b/site/Gemfile
index 1df905f2..4faba429 100644
--- a/site/Gemfile
+++ b/site/Gemfile
@@ -1,6 +1,6 @@
 source "https://rubygems.org"
 
-gem "jekyll", "4.2.0"
+gem "jekyll", "4.2.2"
 
 # Windows does not include zoneinfo files, so bundle the tzinfo-data gem
 gem 'tzinfo-data', platforms: [:mingw, :mswin, :x64_mingw, :jruby]
diff --git a/site/Gemfile.lock b/site/Gemfile.lock
index e6be782a..d23b84f9 100644
--- a/site/Gemfile.lock
+++ b/site/Gemfile.lock
@@ -15,19 +15,19 @@ GEM
       aws-eventstream (~> 1.0, >= 1.0.2)
     colorator (1.1.0)
     colored (1.2)
-    concurrent-ruby (1.1.7)
+    concurrent-ruby (1.1.9)
     configure-s3-website (2.3.0)
       aws-sdk (~> 2)
       deep_merge (~> 1.0.0)
     deep_merge (1.0.1)
     dotenv (1.0.2)
-    em-websocket (0.5.2)
+    em-websocket (0.5.3)
       eventmachine (>= 0.12.9)
-      http_parser.rb (~> 0.6.0)
+      http_parser.rb (~> 0)
     ethon (0.13.0)
       ffi (>= 1.15.0)
     eventmachine (1.2.7)
-    ffi (1.15.0)
+    ffi (1.15.5)
     forwardable-extended (2.6.0)
     html-proofer (3.19.1)
       addressable (~> 2.3)
@@ -39,10 +39,10 @@ GEM
       yell (~> 2.0)
     htmlbeautifier (1.3.1)
     htmlcompressor (0.4.0)
-    http_parser.rb (0.6.0)
-    i18n (1.8.5)
+    http_parser.rb (0.8.0)
+    i18n (1.10.0)
       concurrent-ruby (~> 1.0)
-    jekyll (4.2.0)
+    jekyll (4.2.2)
       addressable (~> 2.4)
       colorator (~> 1.0)
       em-websocket (~> 0.5)
@@ -60,7 +60,7 @@ GEM
     jekyll-pandoc (2.0.1)
       jekyll (>= 3.0)
       pandoc-ruby (~> 2.0, >= 2.0.0)
-    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)
@@ -76,7 +76,7 @@ GEM
     kramdown-parser-gfm (1.1.0)
       kramdown (~> 2.0)
     liquid (4.0.3)
-    listen (3.3.3)
+    listen (3.7.1)
       rb-fsevent (~> 0.10, >= 0.10.3)
       rb-inotify (~> 0.9, >= 0.9.10)
     mercenary (0.4.0)
@@ -93,11 +93,11 @@ GEM
     public_suffix (4.0.6)
     racc (1.5.2)
     rainbow (3.0.0)
-    rb-fsevent (0.10.4)
+    rb-fsevent (0.11.1)
     rb-inotify (0.10.1)
       ffi (~> 1.0)
     rexml (3.2.5)
-    rouge (3.26.0)
+    rouge (3.28.0)
     s3_website (3.4.0)
       colored (= 1.2)
       configure-s3-website (= 2.3.0)
@@ -111,7 +111,7 @@ GEM
     thor (0.20.3)
     typhoeus (1.4.0)
       ethon (>= 0.9.0)
-    unicode-display_width (1.7.0)
+    unicode-display_width (1.8.0)
     yell (2.2.2)
 
 PLATFORMS
@@ -119,7 +119,7 @@ PLATFORMS
 
 DEPENDENCIES
   html-proofer
-  jekyll (= 4.2.0)
+  jekyll (= 4.2.2)
   jekyll-pandoc
   jekyll-sitemap
   jekyll-tidy