diff --git a/Gemfile b/Gemfile
index e0dcd80c0..5bdf14a21 100644
--- a/Gemfile
+++ b/Gemfile
@@ -2,6 +2,6 @@ source "https://rubygems.org"
 
 gem 'github-pages'
 gem 'html-proofer'
-gem 'rack-contrib', '~> 1.1.0'
+gem 'rack-contrib', '~> 2.5.0'
 gem 'rake'
 gem 'jekyll-octicons'
diff --git a/Gemfile.lock b/Gemfile.lock
index f500b856e..57ec28e5f 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -227,9 +227,9 @@ GEM
     pathutil (0.16.2)
       forwardable-extended (~> 2.6)
     public_suffix (3.1.1)
-    rack (2.2.3)
-    rack-contrib (1.1.0)
-      rack (>= 0.9.1)
+    rack (3.0.11)
+    rack-contrib (2.5.0)
+      rack (< 4)
     rainbow (3.0.0)
     rake (13.0.1)
     rb-fsevent (0.10.3)
@@ -266,8 +266,8 @@ DEPENDENCIES
   github-pages
   html-proofer
   jekyll-octicons
-  rack-contrib (~> 1.1.0)
+  rack-contrib (~> 2.5.0)
   rake
 
 BUNDLED WITH
-   2.1.2
+   2.1.4