diff --git a/Gemfile b/Gemfile
index 3d6858e..3b935ff 100644
--- a/Gemfile
+++ b/Gemfile
@@ -5,7 +5,7 @@ source 'https://rubygems.org'
 
 # Production requirements
 gem 'require_all', '~> 3.0.0'
-gem 'sinatra', '~> 3.0.5'
+gem 'sinatra', '~> 3.1.0'
 gem 'slim', '~> 4.1.0'
 gem 'tilt', '~> 2.0.10'
 
@@ -13,7 +13,7 @@ gem 'tilt', '~> 2.0.10'
 group :test do
   gem 'codecov',   '~> 0.6.0',  require: false
   gem 'minitest',  '~> 5.17.0'
-  gem 'rack-test', '~> 2.0.2'
+  gem 'rack-test', '~> 2.1.0'
   gem 'rake',      '~> 13.0.6'
   gem 'rspec',     '~> 3.12.0'
   gem 'simplecov', '~> 0.21.2'
diff --git a/Gemfile.lock b/Gemfile.lock
index 8423874..671c174 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -8,10 +8,10 @@ GEM
     minitest (5.17.0)
     mustermann (3.0.0)
       ruby2_keywords (~> 0.0.1)
-    rack (2.2.7)
-    rack-protection (3.0.6)
-      rack
-    rack-test (2.0.2)
+    rack (2.2.9)
+    rack-protection (3.1.0)
+      rack (~> 2.2, >= 2.2.4)
+    rack-test (2.1.0)
       rack (>= 1.3)
     rake (13.0.6)
     require_all (3.0.0)
@@ -35,10 +35,10 @@ GEM
       simplecov_json_formatter (~> 0.1)
     simplecov-html (0.12.3)
     simplecov_json_formatter (0.1.4)
-    sinatra (3.0.6)
+    sinatra (3.1.0)
       mustermann (~> 3.0)
       rack (~> 2.2, >= 2.2.4)
-      rack-protection (= 3.0.6)
+      rack-protection (= 3.1.0)
       tilt (~> 2.0)
     slim (4.1.0)
       temple (>= 0.7.6, < 0.9)
@@ -54,12 +54,12 @@ PLATFORMS
 DEPENDENCIES
   codecov (~> 0.6.0)
   minitest (~> 5.17.0)
-  rack-test (~> 2.0.2)
+  rack-test (~> 2.1.0)
   rake (~> 13.0.6)
   require_all (~> 3.0.0)
   rspec (~> 3.12.0)
   simplecov (~> 0.21.2)
-  sinatra (~> 3.0.5)
+  sinatra (~> 3.1.0)
   slim (~> 4.1.0)
   tilt (~> 2.0.10)
   webrick (~> 1.7)
@@ -69,4 +69,4 @@ RUBY VERSION
    ruby 3.2.2p53
 
 BUNDLED WITH
-   2.4.13
+   2.4.6