diff --git a/Gemfile b/Gemfile
index 7c1cfda..af0f6c5 100644
--- a/Gemfile
+++ b/Gemfile
@@ -3,7 +3,7 @@ source 'https://rubygems.org'
 
 ruby '2.7.0'
 
-gem 'sinatra', '~>2.0.8'
+gem 'sinatra', '~>2.2.0'
 gem 'activerecord', '~>6.0.3'
 gem 'standalone_migrations', '~>6.0.0'
 gem 'pg', '~>1.2.3'
diff --git a/Gemfile.lock b/Gemfile.lock
index 0933768..e9316e1 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -52,7 +52,7 @@ GEM
     puma (4.3.5)
       nio4r (~> 2.0)
     rack (2.2.3)
-    rack-protection (2.0.8.1)
+    rack-protection (2.2.0)
       rack
     rack-test (1.1.0)
       rack (>= 1.0, < 3)
@@ -68,11 +68,11 @@ GEM
       rake (>= 0.8.7)
       thor (>= 0.20.3, < 2.0)
     rake (13.0.1)
-    ruby2_keywords (0.0.2)
-    sinatra (2.0.8.1)
+    ruby2_keywords (0.0.5)
+    sinatra (2.2.0)
       mustermann (~> 1.0)
-      rack (~> 2.0)
-      rack-protection (= 2.0.8.1)
+      rack (~> 2.2)
+      rack-protection (= 2.2.0)
       tilt (~> 2.0)
     standalone_migrations (6.0.0)
       activerecord (>= 4.2.7, < 6.1.0, != 5.2.3.rc1, != 5.2.3)
@@ -96,7 +96,7 @@ DEPENDENCIES
   pg (~> 1.2.3)
   puma (~> 4.3.5)
   rack-test (~> 1.1.0)
-  sinatra (~> 2.0.8)
+  sinatra (~> 2.2.0)
   standalone_migrations (~> 6.0.0)
 
 RUBY VERSION