diff --git a/Gemfile.lock b/Gemfile.lock
index 4ae6388..d7f9448 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -41,7 +41,7 @@ GEM
     babosa (1.0.2)
     binding_of_caller (0.7.2)
       debug_inspector (>= 0.0.1)
-    builder (3.2.2)
+    builder (3.2.4)
     capybara (2.5.0)
       mime-types (>= 1.16)
       nokogiri (>= 1.3.3)
@@ -50,6 +50,8 @@ GEM
       xpath (~> 2.0)
     childprocess (0.5.6)
       ffi (~> 1.0, >= 1.0.11)
+    concurrent-ruby (1.1.7)
+    crass (1.0.6)
     debug_inspector (0.0.2)
     diff-lcs (1.2.5)
     dynamic_form (1.1.4)
@@ -63,25 +65,30 @@ GEM
     forgery (0.6.0)
     friendly_id (5.1.0)
       activerecord (>= 4.0.0)
-    globalid (0.3.5)
-      activesupport (>= 4.1.0)
+    globalid (0.4.2)
+      activesupport (>= 4.2.0)
     headless (2.2.0)
-    i18n (0.7.0)
-    json (1.8.3)
+    i18n (0.9.5)
+      concurrent-ruby (~> 1.0)
+    json (1.8.6)
     kgio (2.9.3)
-    loofah (2.0.2)
+    loofah (2.7.0)
+      crass (~> 1.0.2)
       nokogiri (>= 1.5.9)
-    mail (2.6.3)
-      mime-types (>= 1.16, < 3)
-    mime-types (2.6.1)
-    mini_portile (0.6.2)
-    minitest (5.7.0)
+    mail (2.7.1)
+      mini_mime (>= 0.1.1)
+    mime-types (3.3.1)
+      mime-types-data (~> 3.2015)
+    mime-types-data (3.2020.1104)
+    mini_mime (1.0.2)
+    mini_portile2 (2.4.0)
+    minitest (5.14.2)
     multi_json (1.11.2)
-    nokogiri (1.6.6.2)
-      mini_portile (~> 0.6.0)
+    nokogiri (1.9.1)
+      mini_portile2 (~> 2.4.0)
     pg (0.18.3)
     power_assert (0.2.4)
-    rack (1.6.4)
+    rack (1.6.13)
     rack-test (0.6.3)
       rack (>= 1.0)
     rails (4.2.3)
@@ -97,12 +104,12 @@ GEM
       sprockets-rails
     rails-deprecated_sanitizer (1.0.3)
       activesupport (>= 4.2.0.alpha)
-    rails-dom-testing (1.0.6)
-      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 (1.0.2)
-      loofah (~> 2.0)
+    rails-html-sanitizer (1.3.0)
+      loofah (~> 2.3)
     rails_12factor (0.0.3)
       rails_serve_static_assets
       rails_stdout_logging
@@ -156,9 +163,9 @@ GEM
     test-unit (3.1.3)
       power_assert
     thor (0.19.1)
-    thread_safe (0.3.5)
+    thread_safe (0.3.6)
     truncate_html (0.9.3)
-    tzinfo (1.2.2)
+    tzinfo (1.2.8)
       thread_safe (~> 0.1)
     unicorn (4.9.0)
       kgio (~> 2.6)
@@ -170,7 +177,7 @@ GEM
       railties (>= 4.0)
       sprockets-rails (>= 2.0, < 4.0)
     websocket (1.2.2)
-    xpath (2.0.0)
+    xpath (2.1.0)
       nokogiri (~> 1.3)
 
 PLATFORMS