diff --git a/Gemfile.lock b/Gemfile.lock
index d50cc7a..2b34a3c 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -181,7 +181,7 @@ GEM
     public_suffix (3.0.3)
     racc (1.5.2)
     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)
@@ -234,7 +234,7 @@ GEM
       rack (>= 1.0.0)
       rspec (>= 1.3.0)
     rspec-support (3.2.2)
-    ruby2_keywords (0.0.2)
+    ruby2_keywords (0.0.5)
     ruby_parser (3.11.0)
       sexp_processor (~> 4.9)
     sass (3.5.6)
@@ -254,10 +254,10 @@ GEM
     sexp_processor (4.10.1)
     shoulda-matchers (2.8.0)
       activesupport (>= 3.0.0)
-    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)
     sprockets (3.7.2)
       concurrent-ruby (~> 1.0)