diff --git a/Gemfile.lock b/Gemfile.lock
index afa9311..c486e9b 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -40,8 +40,8 @@ GEM
       i18n (>= 0.7, < 2)
       minitest (~> 5.1)
       tzinfo (~> 1.1)
-    addressable (2.5.0)
-      public_suffix (~> 2.0, >= 2.0.2)
+    addressable (2.8.0)
+      public_suffix (>= 2.0.2, < 5.0)
     arel (7.1.4)
     ast (2.3.0)
     autoprefixer-rails (6.5.2)
@@ -63,13 +63,13 @@ GEM
       activesupport (>= 3.0.0)
       uniform_notifier (~> 1.10.0)
     byebug (9.0.6)
-    capybara (2.7.0)
+    capybara (2.18.0)
       addressable
-      mime-types (>= 1.16)
+      mini_mime (>= 0.1.3)
       nokogiri (>= 1.3.3)
       rack (>= 1.0.0)
       rack-test (>= 0.5.4)
-      xpath (~> 2.0)
+      xpath (>= 2.0, < 4.0)
     capybara-screenshot (1.0.14)
       capybara (>= 1.0, < 3)
       launchy
@@ -102,7 +102,7 @@ GEM
     factory_girl_rails (4.7.0)
       factory_girl (~> 4.7.0)
       railties (>= 3.0.0)
-    faraday (0.12.1)
+    faraday (0.17.4)
       multipart-post (>= 1.2, < 3)
     faraday_middleware (0.13.1)
       faraday (>= 0.7.4, < 1.0)
@@ -138,9 +138,6 @@ GEM
       mini_mime (>= 0.1.1)
     metaclass (0.0.4)
     method_source (0.9.0)
-    mime-types (3.1)
-      mime-types-data (~> 3.2015)
-    mime-types-data (3.2016.0521)
     mini_mime (1.0.0)
     mini_portile2 (2.3.0)
     minitest (5.11.3)
@@ -163,7 +160,7 @@ GEM
       metaclass (~> 0.0.1)
     msgpack (1.0.2)
     multi_json (1.12.1)
-    multipart-post (2.0.0)
+    multipart-post (2.1.1)
     net-ssh (5.2.0)
     nio4r (2.3.0)
     nokogiri (1.8.2)
@@ -184,9 +181,9 @@ GEM
       method_source (~> 0.9.0)
     pry-rails (0.3.6)
       pry (>= 0.10.4)
-    public_suffix (2.0.4)
+    public_suffix (4.0.6)
     puma (3.11.4)
-    rack (2.0.4)
+    rack (2.2.3)
     rack-mini-profiler (0.10.1)
       rack (>= 1.2.0)
     rack-protection (2.0.0.beta2)
@@ -262,9 +259,9 @@ GEM
       sprockets (>= 2.8, < 4.0)
       sprockets-rails (>= 2.0, < 4.0)
       tilt (>= 1.1, < 3)
-    sawyer (0.8.1)
-      addressable (>= 2.3.5, < 2.6)
-      faraday (~> 0.8, < 1.0)
+    sawyer (0.8.2)
+      addressable (>= 2.3.5)
+      faraday (> 0.8, < 2.0)
     selenium-webdriver (2.53.4)
       childprocess (~> 0.5)
       rubyzip (~> 1.0)
@@ -309,8 +306,8 @@ GEM
     websocket-driver (0.6.5)
       websocket-extensions (>= 0.1.0)
     websocket-extensions (0.1.3)
-    xpath (2.0.0)
-      nokogiri (~> 1.3)
+    xpath (3.2.0)
+      nokogiri (~> 1.8)
 
 PLATFORMS
   ruby