diff --git a/Gemfile.lock b/Gemfile.lock
index 707b09a..b59afd9 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -30,8 +30,8 @@ GEM
     pry (0.13.1)
       coderay (~> 1.1)
       method_source (~> 1.0)
-    rack (2.2.2)
-    rack-protection (2.0.8.1)
+    rack (2.2.3)
+    rack-protection (2.2.0)
       rack
     rmagick (4.1.2)
     rspec (3.9.0)
@@ -47,11 +47,11 @@ GEM
       diff-lcs (>= 1.2.0, < 2.0)
       rspec-support (~> 3.9.0)
     rspec-support (3.9.2)
-    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)
     sucker_punch (1.6.0)
       celluloid (~> 0.17.2)