diff --git a/Gemfile.lock b/Gemfile.lock
index 4a98cdc..51c9a3e 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -60,7 +60,7 @@ GEM
       activerecord (>= 4.0.0, < 5.2)
     binding_of_caller (0.7.2)
       debug_inspector (>= 0.0.1)
-    builder (3.2.2)
+    builder (3.2.4)
     byebug (9.0.6)
     capybara (2.10.1)
       addressable
@@ -80,6 +80,7 @@ GEM
       mimemagic (>= 0.3.0)
     coderay (1.1.1)
     concurrent-ruby (1.1.4)
+    crass (1.0.6)
     database_cleaner (1.5.3)
     debug_inspector (0.0.2)
     diff-lcs (1.2.5)
@@ -97,11 +98,13 @@ GEM
     globalize (5.0.1)
       activemodel (>= 4.2.0, < 4.3)
       activerecord (>= 4.2.0, < 4.3)
-    i18n (0.7.0)
-    json (1.8.3)
+    i18n (0.9.5)
+      concurrent-ruby (~> 1.0)
+    json (1.8.6)
     launchy (2.4.3)
       addressable (~> 2.3)
-    loofah (2.0.3)
+    loofah (2.19.0)
+      crass (~> 1.0.2)
       nokogiri (>= 1.5.9)
     mail (2.7.1)
       mini_mime (>= 0.1.1)
@@ -111,10 +114,11 @@ GEM
     mime-types-data (3.2016.0521)
     mimemagic (0.3.2)
     mini_mime (1.0.1)
-    mini_portile2 (2.1.0)
-    minitest (5.9.1)
-    nokogiri (1.6.8.1)
-      mini_portile2 (~> 2.1.0)
+    mini_portile2 (2.8.0)
+    minitest (5.16.3)
+    nokogiri (1.13.9)
+      mini_portile2 (~> 2.8.0)
+      racc (~> 1.4)
     pry (0.10.4)
       coderay (~> 1.1.0)
       method_source (~> 0.8.1)
@@ -133,7 +137,8 @@ GEM
       binding_of_caller (>= 0.7)
       pry (>= 0.9.11)
     public_suffix (2.0.4)
-    rack (1.6.5)
+    racc (1.6.0)
+    rack (1.6.13)
     rack-test (0.6.3)
       rack (>= 1.0)
     rails (4.2.7.1)
@@ -147,14 +152,14 @@ GEM
       bundler (>= 1.3.0, < 2.0)
       railties (= 4.2.7.1)
       sprockets-rails
-    rails-deprecated_sanitizer (1.0.3)
+    rails-deprecated_sanitizer (1.0.4)
       activesupport (>= 4.2.0.alpha)
-    rails-dom-testing (1.0.7)
-      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 (1.0.3)
-      loofah (~> 2.0)
+    rails-html-sanitizer (1.4.3)
+      loofah (~> 2.3)
     rails-observers (0.1.5)
       activemodel (>= 4.0)
     railties (4.2.7.1)
@@ -198,10 +203,10 @@ GEM
       sprockets (>= 3.0.0)
     sqlite3 (1.3.12)
     thor (0.19.4)
-    thread_safe (0.3.5)
-    tzinfo (1.2.2)
+    thread_safe (0.3.6)
+    tzinfo (1.2.10)
       thread_safe (~> 0.1)
-    xpath (2.0.0)
+    xpath (2.1.0)
       nokogiri (~> 1.3)
 
 PLATFORMS