diff --git a/Gemfile b/Gemfile
index 3aadb40fb..2f5477147 100644
--- a/Gemfile
+++ b/Gemfile
@@ -7,6 +7,6 @@ gem 'nokogiri', '~> 1.12.3'
 gem 'git', '~> 1.9.1'
 gem 'parallel', '~> 1.20.1'
 gem 'puma', '~> 5.4.0'
-gem 'sinatra', '~> 2.1.0'
-gem 'sinatra-contrib', '~> 2.1.0'
+gem 'sinatra', '~> 2.2.0'
+gem 'sinatra-contrib', '~> 2.2.0'
 gem 'i18n', '~> 0.7.0'
diff --git a/Gemfile.lock b/Gemfile.lock
index 751deb864..c4e174da5 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -44,23 +44,23 @@ GEM
       nio4r (~> 2.0)
     racc (1.5.2)
     rack (2.2.3)
-    rack-protection (2.1.0)
+    rack-protection (2.2.0)
       rack
     rchardet (1.8.0)
     ruby2_keywords (0.0.5)
     sawyer (0.8.2)
       addressable (>= 2.3.5)
       faraday (> 0.8, < 2.0)
-    sinatra (2.1.0)
+    sinatra (2.2.0)
       mustermann (~> 1.0)
       rack (~> 2.2)
-      rack-protection (= 2.1.0)
+      rack-protection (= 2.2.0)
       tilt (~> 2.0)
-    sinatra-contrib (2.1.0)
+    sinatra-contrib (2.2.0)
       multi_json
       mustermann (~> 1.0)
-      rack-protection (= 2.1.0)
-      sinatra (= 2.1.0)
+      rack-protection (= 2.2.0)
+      sinatra (= 2.2.0)
       tilt (~> 2.0)
     tilt (2.0.10)
 
@@ -76,8 +76,8 @@ DEPENDENCIES
   octokit (~> 4.21.0)
   parallel (~> 1.20.1)
   puma (~> 5.4.0)
-  sinatra (~> 2.1.0)
-  sinatra-contrib (~> 2.1.0)
+  sinatra (~> 2.2.0)
+  sinatra-contrib (~> 2.2.0)
 
 RUBY VERSION
    ruby 2.7.2p137