diff --git a/Gemfile b/Gemfile
index 8e55de35859..a30ba89780c 100644
--- a/Gemfile
+++ b/Gemfile
@@ -19,7 +19,7 @@ group :jekyll_plugins do
   gem 'jekyll-toc', '0.18.0'
 end
 
-gem 'sinatra', '3.0.5'
+gem 'sinatra', '3.0.6'
 gem 'nokogiri', '1.14.3'
 
 # Windows and JRuby does not include zoneinfo files, so bundle the tzinfo-data gem
diff --git a/Gemfile.lock b/Gemfile.lock
index 05f9aa0cba3..9caae3d6412 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -80,7 +80,7 @@ GEM
     public_suffix (5.0.1)
     racc (1.6.2)
     rack (2.2.6.4)
-    rack-protection (3.0.5)
+    rack-protection (3.0.6)
       rack
     rake (13.0.6)
     rb-fsevent (0.11.2)
@@ -102,10 +102,10 @@ GEM
       ffi (~> 1.9)
     sassc (2.1.0-x64-mingw32)
       ffi (~> 1.9)
-    sinatra (3.0.5)
+    sinatra (3.0.6)
       mustermann (~> 3.0)
       rack (~> 2.2, >= 2.2.4)
-      rack-protection (= 3.0.5)
+      rack-protection (= 3.0.6)
       tilt (~> 2.0)
     stringex (2.8.5)
     terminal-table (3.0.2)
@@ -133,7 +133,7 @@ DEPENDENCIES
   rake (= 13.0.6)
   sass-globbing (= 1.1.5)
   sassc (= 2.1.0)
-  sinatra (= 3.0.5)
+  sinatra (= 3.0.6)
   stringex (= 2.8.5)
   tzinfo (~> 2.0)
   tzinfo-data