diff --git a/Gemfile.lock b/Gemfile.lock
index a901b3b..04202e6 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -41,10 +41,11 @@ GEM
     builder (3.2.2)
     color (1.8)
     colorator (1.1.0)
-    concurrent-ruby (1.0.2)
+    concurrent-ruby (1.1.6)
     erubis (2.7.0)
     faraday (0.9.2)
       multipart-post (>= 1.2, < 3)
+    ffi (1.9.14)
     ffi (1.9.14-x64-mingw32)
     forwardable-extended (2.6.0)
     geo_pattern (1.2.1)
@@ -91,6 +92,9 @@ GEM
     mini_portile2 (2.1.0)
     minitest (5.8.3)
     multipart-post (2.0.0)
+    nokogiri (1.6.8)
+      mini_portile2 (~> 2.1.0)
+      pkg-config (~> 1.1.7)
     nokogiri (1.6.8-x64-mingw32)
       mini_portile2 (~> 2.1.0)
       pkg-config (~> 1.1.7)
@@ -104,7 +108,7 @@ GEM
       middleware
       thor
       thread_safe
-    rack (1.6.4)
+    rack (1.6.13)
     rack-test (0.6.3)
       rack (>= 1.0)
     rails (4.2.7.1)
@@ -144,7 +148,7 @@ GEM
     sawyer (0.7.0)
       addressable (>= 2.3.5, < 2.5)
       faraday (~> 0.8, < 0.10)
-    sprockets (3.7.0)
+    sprockets (4.0.0)
       concurrent-ruby (~> 1.0)
       rack (> 1, < 3)
     sprockets-rails (3.2.0)
@@ -157,6 +161,7 @@ GEM
       thread_safe (~> 0.1)
 
 PLATFORMS
+  ruby
   x64-mingw32
 
 DEPENDENCIES