diff --git a/Gemfile.lock b/Gemfile.lock
index 23731cd..fdb096d 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -45,7 +45,7 @@ GEM
       tzinfo (~> 1.1)
     addressable (2.3.6)
     arel (6.0.0)
-    builder (3.2.2)
+    builder (3.2.4)
     capybara (2.4.4)
       mime-types (>= 1.16)
       nokogiri (>= 1.3.3)
@@ -57,6 +57,8 @@ GEM
     childprocess (0.5.5)
       ffi (~> 1.0, >= 1.0.11)
     coderay (1.1.0)
+    concurrent-ruby (1.1.10)
+    crass (1.0.6)
     diff-lcs (1.2.5)
     erubis (2.7.0)
     ffi (1.9.6)
@@ -81,31 +83,35 @@ GEM
       spork (>= 0.8.4)
     hike (1.2.3)
     hitimes (1.2.2)
-    i18n (0.7.0)
-    json (1.8.2)
+    i18n (0.9.5)
+      concurrent-ruby (~> 1.0)
+    json (1.8.6)
     launchy (2.4.3)
       addressable (~> 2.3)
     listen (2.8.3)
       celluloid (>= 0.15.2)
       rb-fsevent (>= 0.9.3)
       rb-inotify (>= 0.9)
-    loofah (2.0.1)
+    loofah (2.19.0)
+      crass (~> 1.0.2)
       nokogiri (>= 1.5.9)
     lumberjack (1.0.9)
     mail (2.6.3)
       mime-types (>= 1.16, < 3)
     method_source (0.8.2)
     mime-types (2.4.3)
-    mini_portile (0.6.1)
-    minitest (5.5.1)
+    mini_portile2 (2.8.0)
+    minitest (5.16.3)
     multi_json (1.10.1)
-    nokogiri (1.6.5)
-      mini_portile (~> 0.6.0)
+    nokogiri (1.13.9)
+      mini_portile2 (~> 2.8.0)
+      racc (~> 1.4)
     pry (0.10.1)
       coderay (~> 1.1.0)
       method_source (~> 0.8.1)
       slop (~> 3.4)
-    rack (1.6.0)
+    racc (1.6.0)
+    rack (1.6.13)
     rack-test (0.6.3)
       rack (>= 1.0)
     rails (4.2.0)
@@ -119,14 +125,14 @@ GEM
       bundler (>= 1.3.0, < 2.0)
       railties (= 4.2.0)
       sprockets-rails
-    rails-deprecated_sanitizer (1.0.3)
+    rails-deprecated_sanitizer (1.0.4)
       activesupport (>= 4.2.0.alpha)
-    rails-dom-testing (1.0.5)
-      activesupport (>= 4.2.0.beta, < 5.0)
-      nokogiri (~> 1.6.0)
+    rails-dom-testing (1.0.9)
+      activesupport (>= 4.2.0, < 5.0)
+      nokogiri (~> 1.6)
       rails-deprecated_sanitizer (>= 1.0.1)
-    rails-html-sanitizer (1.0.1)
-      loofah (~> 2.0)
+    rails-html-sanitizer (1.4.3)
+      loofah (~> 2.3)
     railties (4.2.0)
       actionpack (= 4.2.0)
       activesupport (= 4.2.0)
@@ -170,13 +176,13 @@ GEM
       sprockets (>= 2.8, < 4.0)
     sqlite3 (1.3.10)
     thor (0.19.1)
-    thread_safe (0.3.4)
+    thread_safe (0.3.6)
     tilt (1.4.1)
     timers (4.0.1)
       hitimes
-    tzinfo (1.2.2)
+    tzinfo (1.2.10)
       thread_safe (~> 0.1)
-    xpath (2.0.0)
+    xpath (2.1.0)
       nokogiri (~> 1.3)
 
 PLATFORMS