updating gems for vunerability fix

Gemfile

@@ -4,6 +4,7 @@ source "https://rubygems.org"
 # gem "rails"
 
 gem 'sinatra'
+gem 'rack-protection', '~> 2.0', '>= 2.0.1'
 gem 'rake'
 gem 'thin'
 gem 'shotgun'
@@ -15,4 +16,4 @@ group :test do
   gem 'capybara'
   gem 'rack-test'
   gem 'poltergeist'
-end
+end

Gemfile.lock

@@ -3,7 +3,7 @@ GEM
   specs:
     addressable (2.5.2)
       public_suffix (>= 2.0.2, < 4.0)
-    capybara (2.17.0)
+    capybara (2.18.0)
       addressable
       mini_mime (>= 0.1.3)
       nokogiri (>= 1.3.3)
@@ -18,8 +18,8 @@ GEM
     method_source (0.9.0)
     mini_mime (1.0.0)
     mini_portile2 (2.3.0)
-    mustermann (1.0.1)
-    nokogiri (1.8.1)
+    mustermann (1.0.2)
+    nokogiri (1.8.2)
       mini_portile2 (~> 2.3.0)
     poltergeist (1.17.0)
       capybara (~> 2.1)
@@ -28,14 +28,14 @@ GEM
     pry (0.11.3)
       coderay (~> 1.1.0)
       method_source (~> 0.9.0)
-    public_suffix (3.0.1)
-    rack (2.0.3)
-    rack-protection (2.0.0)
+    public_suffix (3.0.2)
+    rack (2.0.4)
+    rack-protection (2.0.1)
       rack
-    rack-test (0.8.2)
+    rack-test (0.8.3)
       rack (>= 1.0, < 3)
     rake (12.3.0)
-    require_all (1.5.0)
+    require_all (2.0.0)
     rspec (3.7.0)
       rspec-core (~> 3.7.0)
       rspec-expectations (~> 3.7.0)
@@ -48,13 +48,13 @@ GEM
     rspec-mocks (3.7.0)
       diff-lcs (>= 1.2.0, < 2.0)
       rspec-support (~> 3.7.0)
-    rspec-support (3.7.0)
+    rspec-support (3.7.1)
     shotgun (0.9.2)
       rack (>= 1.0)
-    sinatra (2.0.0)
+    sinatra (2.0.1)
       mustermann (~> 1.0)
       rack (~> 2.0)
-      rack-protection (= 2.0.0)
+      rack-protection (= 2.0.1)
       tilt (~> 2.0)
     thin (1.7.2)
       daemons (~> 1.0, >= 1.0.9)
@@ -74,6 +74,7 @@ DEPENDENCIES
   capybara
   poltergeist
   pry
+  rack-protection (~> 2.0, >= 2.0.1)
   rack-test
   rake
   require_all
@@ -83,4 +84,4 @@ DEPENDENCIES
   thin
 
 BUNDLED WITH
-   1.16.0
+   1.16.1