diff --git a/Gemfile.lock b/Gemfile.lock
index 8c63b41..aa8591b 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -17,19 +17,19 @@ GEM
       rack (>= 1.0.0)
       rack-test (>= 0.5.4)
       xpath (~> 2.0)
-    childprocess (0.3.9)
+    childprocess (0.4.1)
       ffi (~> 1.0, >= 1.0.11)
     diff-lcs (1.2.4)
-    ffi (1.9.0)
-    ffi (1.9.0-java)
-    ffi (1.9.0-x86-mingw32)
+    ffi (1.9.3)
+    ffi (1.9.3-java)
+    ffi (1.9.3-x86-mingw32)
     json (1.8.1)
     json (1.8.1-java)
     mime-types (2.0)
     mini_magick (3.2.1)
       subexec (~> 0.0.4)
     mini_portile (0.5.2)
-    multi_json (1.7.8)
+    multi_json (1.8.4)
     nokogiri (1.6.0)
       mini_portile (~> 0.5.0)
     nokogiri (1.6.0-java)
@@ -50,11 +50,11 @@ GEM
     rspec-expectations (2.14.1)
       diff-lcs (>= 1.1.3, < 2.0)
     rspec-mocks (2.14.3)
-    rubyzip (0.9.9)
-    selenium-webdriver (2.33.0)
+    rubyzip (1.1.0)
+    selenium-webdriver (2.39.0)
       childprocess (>= 0.2.5)
       multi_json (~> 1.0)
-      rubyzip
+      rubyzip (~> 1.0)
       websocket (~> 1.0.4)
     sinatra (1.3.5)
       rack (~> 1.4)
diff --git a/gemfiles/2.0.gemfile.lock b/gemfiles/2.0.gemfile.lock
index 9294611..14f1fbf 100644
--- a/gemfiles/2.0.gemfile.lock
+++ b/gemfiles/2.0.gemfile.lock
@@ -18,17 +18,17 @@ GEM
       rack-test (>= 0.5.4)
       selenium-webdriver (~> 2.0)
       xpath (~> 1.0.0)
-    childprocess (0.3.9)
+    childprocess (0.4.1)
       ffi (~> 1.0, >= 1.0.11)
     diff-lcs (1.2.5)
-    ffi (1.9.0)
-    ffi (1.9.0-java)
+    ffi (1.9.3)
+    ffi (1.9.3-java)
     json (1.8.1)
     json (1.8.1-java)
     mime-types (1.23)
     mini_magick (3.5.0)
       subexec (~> 0.2.1)
-    multi_json (1.7.8)
+    multi_json (1.8.4)
     nokogiri (1.5.9)
     nokogiri (1.5.9-java)
     rack (1.5.2)
@@ -45,11 +45,11 @@ GEM
     rspec-expectations (2.14.4)
       diff-lcs (>= 1.1.3, < 2.0)
     rspec-mocks (2.14.4)
-    rubyzip (0.9.9)
-    selenium-webdriver (2.33.0)
+    rubyzip (1.1.0)
+    selenium-webdriver (2.39.0)
       childprocess (>= 0.2.5)
       multi_json (~> 1.0)
-      rubyzip
+      rubyzip (~> 1.0)
       websocket (~> 1.0.4)
     sinatra (1.3.5)
       rack (~> 1.4)
diff --git a/gemfiles/2.1.gemfile.lock b/gemfiles/2.1.gemfile.lock
index 3a00ae7..36cef44 100644
--- a/gemfiles/2.1.gemfile.lock
+++ b/gemfiles/2.1.gemfile.lock
@@ -17,17 +17,17 @@ GEM
       rack (>= 1.0.0)
       rack-test (>= 0.5.4)
       xpath (~> 2.0)
-    childprocess (0.3.9)
+    childprocess (0.4.1)
       ffi (~> 1.0, >= 1.0.11)
     diff-lcs (1.2.5)
-    ffi (1.9.0)
-    ffi (1.9.0-java)
+    ffi (1.9.3)
+    ffi (1.9.3-java)
     json (1.8.1)
     json (1.8.1-java)
     mime-types (1.23)
     mini_magick (3.5.0)
       subexec (~> 0.2.1)
-    multi_json (1.7.8)
+    multi_json (1.8.4)
     nokogiri (1.5.9)
     nokogiri (1.5.9-java)
     rack (1.5.2)
@@ -44,11 +44,11 @@ GEM
     rspec-expectations (2.14.4)
       diff-lcs (>= 1.1.3, < 2.0)
     rspec-mocks (2.14.4)
-    rubyzip (0.9.9)
-    selenium-webdriver (2.33.0)
+    rubyzip (1.1.0)
+    selenium-webdriver (2.39.0)
       childprocess (>= 0.2.5)
       multi_json (~> 1.0)
-      rubyzip
+      rubyzip (~> 1.0)
       websocket (~> 1.0.4)
     sinatra (1.3.5)
       rack (~> 1.4)