diff --git a/docs/Gemfile b/docs/Gemfile
index c21b5754..2801568c 100644
--- a/docs/Gemfile
+++ b/docs/Gemfile
@@ -7,7 +7,7 @@ gem 'middleman-autoprefixer'
 gem 'middleman-sprockets'
 gem 'middleman-syntax'
 gem 'nokogiri'
-gem 'rack', '~> 2.2.21'
+gem 'rack', '~> 2.2.22'
 gem 'redcarpet'
 gem 'rouge', '~> 3.28.0'
 gem 'sass'
diff --git a/docs/Gemfile.lock b/docs/Gemfile.lock
index c38b5a55..2bfee5bc 100644
--- a/docs/Gemfile.lock
+++ b/docs/Gemfile.lock
@@ -110,7 +110,7 @@ GEM
     prism (1.9.0)
     public_suffix (7.0.2)
     racc (1.8.1)
-    rack (2.2.21)
+    rack (2.2.22)
     rb-fsevent (0.11.2)
     rb-inotify (0.11.1)
       ffi (~> 1.0)
@@ -150,7 +150,7 @@ DEPENDENCIES
   middleman-sprockets
   middleman-syntax
   nokogiri
-  rack (~> 2.2.21)
+  rack (~> 2.2.22)
   redcarpet
   rouge (~> 3.28.0)
   sass