diff --git a/Gemfile.lock b/Gemfile.lock
index 2ce802ba..2dad9eb3 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -10,7 +10,7 @@ PATH
 GEM
   remote: http://rubygems.org/
   specs:
-    activesupport (4.1.6)
+    activesupport (4.1.7)
       i18n (~> 0.6, >= 0.6.9)
       json (~> 1.7, >= 1.7.7)
       minitest (~> 5.1)
@@ -23,7 +23,7 @@ GEM
       rspec-expectations (>= 2.7.0)
     attr_required (1.0.0)
     builder (3.2.2)
-    capybara (2.4.3)
+    capybara (2.4.4)
       mime-types (>= 1.16)
       nokogiri (>= 1.3.3)
       rack (>= 1.0.0)
@@ -46,27 +46,27 @@ GEM
     fakefs (0.6.0)
     faraday (0.9.0)
       multipart-post (>= 1.2, < 3)
-    ffi (1.9.5)
+    ffi (1.9.6)
     gherkin (2.12.2)
       multi_json (~> 1.3)
-    httpclient (2.4.0)
+    httpclient (2.5.3.2)
     i18n (0.6.11)
-    inch (0.5.2)
+    inch (0.5.7)
       pry
       sparkr (>= 0.2.0)
       term-ansicolor
-      yard (~> 0.8.7)
+      yard (~> 0.8.7.5)
     json (1.8.1)
     method_source (0.8.2)
-    mime-types (2.4.1)
-    mini_portile (0.6.0)
-    minitest (5.4.2)
+    mime-types (2.4.3)
+    mini_portile (0.6.1)
+    minitest (5.4.3)
     multi_json (1.10.1)
     multi_test (0.1.1)
     multipart-post (2.0.0)
-    mustache (0.99.6)
-    nokogiri (1.6.3.1)
-      mini_portile (= 0.6.0)
+    mustache (0.99.7)
+    nokogiri (1.6.4.1)
+      mini_portile (~> 0.6.0)
     pry (0.10.1)
       coderay (~> 1.1.0)
       method_source (~> 0.8.1)
@@ -87,17 +87,17 @@ GEM
       rspec-core (~> 3.1.0)
       rspec-expectations (~> 3.1.0)
       rspec-mocks (~> 3.1.0)
-    rspec-core (3.1.5)
+    rspec-core (3.1.7)
       rspec-support (~> 3.1.0)
     rspec-expectations (3.1.2)
       diff-lcs (>= 1.2.0, < 2.0)
       rspec-support (~> 3.1.0)
-    rspec-its (1.0.1)
-      rspec-core (>= 2.99.0.beta1)
-      rspec-expectations (>= 2.99.0.beta1)
-    rspec-mocks (3.1.2)
+    rspec-its (1.1.0)
+      rspec-core (>= 3.0.0)
+      rspec-expectations (>= 3.0.0)
+    rspec-mocks (3.1.3)
       rspec-support (~> 3.1.0)
-    rspec-support (3.1.1)
+    rspec-support (3.1.2)
     safe_yaml (1.0.4)
     sinatra (1.4.5)
       rack (~> 1.4)
@@ -107,21 +107,21 @@ GEM
     sparkr (0.4.1)
     term-ansicolor (1.3.0)
       tins (~> 1.0)
-    thin (1.6.2)
-      daemons (>= 1.0.9)
-      eventmachine (>= 1.0.0)
-      rack (>= 1.0.0)
+    thin (1.6.3)
+      daemons (~> 1.0, >= 1.0.9)
+      eventmachine (~> 1.0)
+      rack (~> 1.0)
     thread_safe (0.3.4)
     tilt (1.4.1)
     tins (1.3.3)
     tzinfo (1.2.2)
       thread_safe (~> 0.1)
-    webmock (1.19.0)
+    webmock (1.20.4)
       addressable (>= 2.3.6)
       crack (>= 0.3.2)
     xpath (2.0.0)
       nokogiri (~> 1.3)
-    yard (0.8.7.4)
+    yard (0.8.7.6)
 
 PLATFORMS
   ruby