diff --git a/Gemfile.lock b/Gemfile.lock
index b4def25..a74a579 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -10,52 +10,54 @@ GIT
 GEM
   remote: http://rubygems.org/
   specs:
-    actionview (4.2.11.1)
-      activesupport (= 4.2.11.1)
+    actionview (4.2.11.3)
+      activesupport (= 4.2.11.3)
       builder (~> 3.1)
       erubis (~> 2.7.0)
       rails-dom-testing (~> 1.0, >= 1.0.5)
       rails-html-sanitizer (~> 1.0, >= 1.0.3)
-    activemodel (4.2.11.1)
-      activesupport (= 4.2.11.1)
+    activemodel (4.2.11.3)
+      activesupport (= 4.2.11.3)
       builder (~> 3.1)
-    activerecord (4.2.11.1)
-      activemodel (= 4.2.11.1)
-      activesupport (= 4.2.11.1)
+    activerecord (4.2.11.3)
+      activemodel (= 4.2.11.3)
+      activesupport (= 4.2.11.3)
       arel (~> 6.0)
-    activesupport (4.2.11.1)
+    activesupport (4.2.11.3)
       i18n (~> 0.7)
       minitest (~> 5.1)
       thread_safe (~> 0.3, >= 0.3.4)
       tzinfo (~> 1.1)
     arel (6.0.4)
-    builder (3.2.3)
-    concurrent-ruby (1.1.5)
-    crass (1.0.4)
+    builder (3.2.4)
+    concurrent-ruby (1.1.9)
+    crass (1.0.6)
     erubis (2.7.0)
     i18n (0.9.5)
       concurrent-ruby (~> 1.0)
-    loofah (2.2.3)
+    loofah (2.12.0)
       crass (~> 1.0.2)
       nokogiri (>= 1.5.9)
     mab (0.0.3)
-    mini_portile2 (2.4.0)
-    minitest (5.11.3)
-    nokogiri (1.10.4)
-      mini_portile2 (~> 2.4.0)
+    mini_portile2 (2.6.1)
+    minitest (5.14.4)
+    nokogiri (1.12.4)
+      mini_portile2 (~> 2.6.1)
+      racc (~> 1.4)
+    racc (1.5.2)
     rack (2.2.3)
-    rails-deprecated_sanitizer (1.0.3)
+    rails-deprecated_sanitizer (1.0.4)
       activesupport (>= 4.2.0.alpha)
     rails-dom-testing (1.0.9)
       activesupport (>= 4.2.0, < 5.0)
       nokogiri (~> 1.6)
       rails-deprecated_sanitizer (>= 1.0.1)
-    rails-html-sanitizer (1.2.0)
-      loofah (~> 2.2, >= 2.2.2)
+    rails-html-sanitizer (1.4.2)
+      loofah (~> 2.3)
     sass (3.4.25)
     sqlite3 (1.3.13)
     thread_safe (0.3.6)
-    tzinfo (1.2.5)
+    tzinfo (1.2.9)
       thread_safe (~> 0.1)
 
 PLATFORMS