diff --git a/Gemfile.lock b/Gemfile.lock
index 1ad3179..ede2a87 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -1,22 +1,22 @@
 GEM
   remote: https://rubygems.org/
   specs:
-    actionpack (5.1.2)
-      actionview (= 5.1.2)
-      activesupport (= 5.1.2)
-      rack (~> 2.0)
-      rack-test (~> 0.6.3)
+    actionpack (5.2.4.2)
+      actionview (= 5.2.4.2)
+      activesupport (= 5.2.4.2)
+      rack (~> 2.0, >= 2.0.8)
+      rack-test (>= 0.6.3)
       rails-dom-testing (~> 2.0)
       rails-html-sanitizer (~> 1.0, >= 1.0.2)
-    actionview (5.1.2)
-      activesupport (= 5.1.2)
+    actionview (5.2.4.2)
+      activesupport (= 5.2.4.2)
       builder (~> 3.1)
       erubi (~> 1.4)
       rails-dom-testing (~> 2.0)
       rails-html-sanitizer (~> 1.0, >= 1.0.3)
-    activesupport (5.1.2)
+    activesupport (5.2.4.2)
       concurrent-ruby (~> 1.0, >= 1.0.2)
-      i18n (~> 0.7)
+      i18n (>= 0.7, < 2)
       minitest (~> 5.1)
       tzinfo (~> 1.1)
     autoprefixer-rails (7.1.3)
@@ -25,7 +25,7 @@ GEM
       autoprefixer-rails (>= 6.0.3)
       popper_js (~> 1.11.1)
       sass (>= 3.4.19)
-    builder (3.2.3)
+    builder (3.2.4)
     chunky_png (1.3.8)
     compass (1.0.3)
       chunky_png (~> 1.2)
@@ -39,35 +39,38 @@ GEM
       sass (>= 3.3.0, < 3.5)
     compass-import-once (1.0.5)
       sass (>= 3.2, < 3.5)
-    concurrent-ruby (1.0.5)
-    erubi (1.6.1)
+    concurrent-ruby (1.1.6)
+    crass (1.0.6)
+    erubi (1.9.0)
     execjs (2.7.0)
     ffi (1.9.18)
-    i18n (0.8.6)
-    loofah (2.0.3)
+    i18n (1.8.2)
+      concurrent-ruby (~> 1.0)
+    loofah (2.4.0)
+      crass (~> 1.0.2)
       nokogiri (>= 1.5.9)
-    method_source (0.8.2)
-    mini_portile2 (2.2.0)
-    minitest (5.10.2)
+    method_source (1.0.0)
+    mini_portile2 (2.4.0)
+    minitest (5.14.0)
     multi_json (1.12.1)
-    nokogiri (1.8.0)
-      mini_portile2 (~> 2.2.0)
+    nokogiri (1.10.9)
+      mini_portile2 (~> 2.4.0)
     popper_js (1.11.1)
-    rack (2.0.3)
-    rack-test (0.6.3)
-      rack (>= 1.0)
+    rack (2.2.2)
+    rack-test (1.1.0)
+      rack (>= 1.0, < 3)
     rails-dom-testing (2.0.3)
       activesupport (>= 4.2.0)
       nokogiri (>= 1.6)
-    rails-html-sanitizer (1.0.3)
-      loofah (~> 2.0)
-    railties (5.1.2)
-      actionpack (= 5.1.2)
-      activesupport (= 5.1.2)
+    rails-html-sanitizer (1.3.0)
+      loofah (~> 2.3)
+    railties (5.2.4.2)
+      actionpack (= 5.2.4.2)
+      activesupport (= 5.2.4.2)
       method_source
       rake (>= 0.8.7)
-      thor (>= 0.18.1, < 2.0)
-    rake (12.0.0)
+      thor (>= 0.19.0, < 2.0)
+    rake (13.0.1)
     rb-fsevent (0.10.2)
     rb-inotify (0.9.10)
       ffi (>= 0.5.0, < 2)
@@ -85,10 +88,10 @@ GEM
       actionpack (>= 4.0)
       activesupport (>= 4.0)
       sprockets (>= 3.0.0)
-    thor (0.19.4)
+    thor (1.0.1)
     thread_safe (0.3.6)
     tilt (2.0.7)
-    tzinfo (1.2.3)
+    tzinfo (1.2.6)
       thread_safe (~> 0.1)
 
 PLATFORMS