diff --git a/Gemfile.lock b/Gemfile.lock
index 95b1c74..a0b2537 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -59,15 +59,15 @@ GEM
       sass (>= 3.5.2)
     builder (3.2.3)
     concurrent-ruby (1.1.5)
-    crass (1.0.4)
-    erubi (1.8.0)
+    crass (1.0.5)
+    erubi (1.9.0)
     execjs (2.7.0)
-    ffi (1.10.0)
+    ffi (1.11.1)
     globalid (0.4.2)
       activesupport (>= 4.2.0)
-    i18n (1.6.0)
+    i18n (1.7.0)
       concurrent-ruby (~> 1.0)
-    loofah (2.2.3)
+    loofah (2.3.0)
       crass (~> 1.0.2)
       nokogiri (>= 1.5.9)
     mail (2.7.1)
@@ -78,12 +78,12 @@ GEM
     mimemagic (0.3.3)
     mini_mime (1.0.1)
     mini_portile2 (2.4.0)
-    minitest (5.11.3)
+    minitest (5.12.2)
     nio4r (2.3.1)
-    nokogiri (1.10.2)
+    nokogiri (1.10.4)
       mini_portile2 (~> 2.4.0)
     popper_js (1.14.5)
-    rack (2.0.6)
+    rack (2.0.7)
     rack-test (1.1.0)
       rack (>= 1.0, < 3)
     rails (5.2.3)
@@ -102,30 +102,34 @@ GEM
     rails-dom-testing (2.0.3)
       activesupport (>= 4.2.0)
       nokogiri (>= 1.6)
-    rails-html-sanitizer (1.0.4)
-      loofah (~> 2.2, >= 2.2.2)
+    rails-html-sanitizer (1.3.0)
+      loofah (~> 2.3)
     railties (5.2.3)
       actionpack (= 5.2.3)
       activesupport (= 5.2.3)
       method_source
       rake (>= 0.8.7)
       thor (>= 0.19.0, < 2.0)
-    rake (12.3.2)
+    rake (13.0.0)
     rb-fsevent (0.10.3)
     rb-inotify (0.10.0)
       ffi (~> 1.0)
-    sass (3.7.3)
+    sass (3.7.4)
       sass-listen (~> 4.0.0)
     sass-listen (4.0.0)
       rb-fsevent (~> 0.9, >= 0.9.4)
       rb-inotify (~> 0.9, >= 0.9.7)
-    sass-rails (5.0.7)
-      railties (>= 4.0.0, < 6)
-      sass (~> 3.1)
-      sprockets (>= 2.8, < 4.0)
-      sprockets-rails (>= 2.0, < 4.0)
-      tilt (>= 1.1, < 3)
-    sprockets (3.7.2)
+    sass-rails (6.0.0)
+      sassc-rails (~> 2.1, >= 2.1.1)
+    sassc (2.2.1)
+      ffi (~> 1.9)
+    sassc-rails (2.1.2)
+      railties (>= 4.0.0)
+      sassc (>= 2.0)
+      sprockets (> 3.0)
+      sprockets-rails
+      tilt
+    sprockets (4.0.0)
       concurrent-ruby (~> 1.0)
       rack (> 1, < 3)
     sprockets-rails (3.2.1)
@@ -134,7 +138,7 @@ GEM
       sprockets (>= 3.0.0)
     thor (0.20.3)
     thread_safe (0.3.6)
-    tilt (2.0.9)
+    tilt (2.0.10)
     tzinfo (1.2.5)
       thread_safe (~> 0.1)
     websocket-driver (0.7.0)