diff --git a/Gemfile b/Gemfile
index dfc69db..00148f6 100644
--- a/Gemfile
+++ b/Gemfile
@@ -1,7 +1,7 @@
 source "https://rubygems.org"
 
 gem 'nokogiri'
-gem 'rack', '~> 2.2.6'
+gem 'rack', '~> 2.2.8'
 gem 'rspec'
 
 # Hello! This is where you manage which Jekyll version is used to run.
diff --git a/Gemfile.lock b/Gemfile.lock
index 26adc1f..c4dd8ec 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -232,7 +232,7 @@ GEM
       forwardable-extended (~> 2.6)
     public_suffix (3.1.1)
     racc (1.6.2)
-    rack (2.2.6.4)
+    rack (2.2.8.1)
     rainbow (3.0.0)
     rb-fsevent (0.10.3)
     rb-inotify (0.10.1)
@@ -307,7 +307,7 @@ DEPENDENCIES
   jemoji
   minima (~> 2.5)
   nokogiri
-  rack (~> 2.2.6)
+  rack (~> 2.2.8)
   rspec
   rubocop (~> 0.50)
   tzinfo (~> 1.2)