diff --git a/Gemfile.lock b/Gemfile.lock
index a7e02f9..f5bec06 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -2,7 +2,7 @@ GEM
   remote: http://rubygems.org/
   specs:
     awesome_print (1.0.2)
-    capybara (1.1.2)
+    capybara (1.1.4)
       mime-types (>= 1.16)
       nokogiri (>= 1.3.3)
       rack (>= 1.0.0)
@@ -12,27 +12,29 @@ GEM
     capybara-webkit (0.9.0)
       capybara (>= 1.0.0, < 1.2)
       json
-    childprocess (0.3.1)
-      ffi (~> 1.0.6)
+    childprocess (0.9.0)
+      ffi (~> 1.0, >= 1.0.11)
     daemons (1.1.8)
     eventmachine (0.12.10)
-    ffi (1.0.11)
+    ffi (1.11.1)
     json (1.6.5)
-    mime-types (1.17.2)
-    multi_json (1.0.4)
-    nokogiri (1.5.0)
-    rack (1.4.1)
+    mime-types (3.3)
+      mime-types-data (~> 3.2015)
+    mime-types-data (3.2019.1009)
+    mini_portile2 (2.4.0)
+    nokogiri (1.10.4)
+      mini_portile2 (~> 2.4.0)
+    rack (1.6.11)
     rack-protection (1.2.0)
       rack
     rack-test (0.6.1)
       rack (>= 1.0)
     rdiscount (1.6.8)
-    rubyzip (0.9.6.1)
-    selenium-webdriver (2.19.0)
-      childprocess (>= 0.2.5)
-      ffi (~> 1.0.9)
-      multi_json (~> 1.0.4)
-      rubyzip
+    rubyzip (1.3.0)
+    selenium-webdriver (2.53.4)
+      childprocess (~> 0.5)
+      rubyzip (~> 1.0)
+      websocket (~> 1.0)
     shotgun (0.9)
       rack (>= 1.0)
     sinatra (1.3.2)
@@ -44,6 +46,7 @@ GEM
       eventmachine (>= 0.12.6)
       rack (>= 1.0.0)
     tilt (1.3.3)
+    websocket (1.2.8)
     xpath (0.1.4)
       nokogiri (~> 1.3)
     yard (0.7.5)