diff --git a/Gemfile b/Gemfile
index 21a95182769..bd668c466be 100644
--- a/Gemfile
+++ b/Gemfile
@@ -18,7 +18,7 @@ group :jekyll_plugins do
   gem 'jekyll-commonmark', '1.3.1'
 end
 
-gem 'sinatra', '2.0.8'
+gem 'sinatra', '2.0.8.1'
 gem 'nokogiri', '1.10.7'
 
 # Windows and JRuby does not include zoneinfo files, so bundle the tzinfo-data gem
diff --git a/Gemfile.lock b/Gemfile.lock
index fb8e7fa3903..49dcc096717 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -80,7 +80,7 @@ GEM
       forwardable-extended (~> 2.6)
     public_suffix (4.0.1)
     rack (2.0.8)
-    rack-protection (2.0.8)
+    rack-protection (2.0.8.1)
       rack
     rake (13.0.1)
     rb-fsevent (0.10.3)
@@ -98,10 +98,10 @@ GEM
       ffi (~> 1.9)
     sassc (2.2.1-x64-mingw32)
       ffi (~> 1.9)
-    sinatra (2.0.8)
+    sinatra (2.0.8.1)
       mustermann (~> 1.0)
       rack (~> 2.0)
-      rack-protection (= 2.0.8)
+      rack-protection (= 2.0.8.1)
       tilt (~> 2.0)
     stringex (2.8.5)
     terminal-table (1.8.0)
@@ -128,7 +128,7 @@ DEPENDENCIES
   nokogiri (= 1.10.7)
   rake (= 13.0.1)
   sass-globbing (= 1.1.5)
-  sinatra (= 2.0.8)
+  sinatra (= 2.0.8.1)
   stringex (= 2.8.5)
   tzinfo (~> 2.0)
   tzinfo-data