diff --git a/Gemfile b/Gemfile
index b29d96b..5683171 100644
--- a/Gemfile
+++ b/Gemfile
@@ -1,6 +1,6 @@
 source 'http://rubygems.org'
 
-gem 'sinatra', '~> 2.0'
+gem 'sinatra', '~> 2.2'
 gem 'jwt', '~> 2.1'
 gem 'octokit', '~> 4.0'
 gem 'dotenv'
diff --git a/Gemfile.lock b/Gemfile.lock
index 1f75daa..c2609c1 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -29,7 +29,7 @@ GEM
       ipaddr
     public_suffix (4.0.3)
     rack (2.2.3)
-    rack-protection (2.0.8.1)
+    rack-protection (2.2.0)
       rack
     rb-fsevent (0.10.3)
     rb-inotify (0.10.1)
@@ -53,7 +53,7 @@ GEM
       diff-lcs (>= 1.2.0, < 2.0)
       rspec-support (~> 3.9.0)
     rspec-support (3.9.2)
-    ruby2_keywords (0.0.2)
+    ruby2_keywords (0.0.5)
     sawyer (0.8.2)
       addressable (>= 2.3.5)
       faraday (> 0.8, < 2.0)
@@ -65,10 +65,10 @@ GEM
       simplecov
       terminal-table
     simplecov-html (0.12.2)
-    sinatra (2.0.8.1)
+    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)
     terminal-table (1.8.0)
       unicode-display_width (~> 1.1, >= 1.1.1)
@@ -94,7 +94,7 @@ DEPENDENCIES
   rspec
   simplecov
   simplecov-console
-  sinatra (~> 2.0)
+  sinatra (~> 2.2)
   thin
 
 BUNDLED WITH