diff --git a/Gemfile.lock b/Gemfile.lock
index 5df8f4b..6ff23f3 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -24,29 +24,32 @@ GEM
       i18n (~> 0.7)
       minitest (~> 5.1)
       tzinfo (~> 1.1)
-    builder (3.2.2)
+    builder (3.2.4)
     byebug (9.0.5)
-    concurrent-ruby (1.0.2)
+    concurrent-ruby (1.1.10)
+    crass (1.0.6)
     diff-lcs (1.2.5)
     erubis (2.7.0)
-    i18n (0.7.0)
-    loofah (2.0.3)
+    i18n (0.9.5)
+      concurrent-ruby (~> 1.0)
+    loofah (2.19.0)
+      crass (~> 1.0.2)
       nokogiri (>= 1.5.9)
     method_source (0.8.2)
-    mini_portile2 (2.1.0)
-    minitest (5.9.0)
-    nokogiri (1.6.8)
-      mini_portile2 (~> 2.1.0)
-      pkg-config (~> 1.1.7)
-    pkg-config (1.1.7)
-    rack (2.0.1)
+    mini_portile2 (2.8.0)
+    minitest (5.16.3)
+    nokogiri (1.13.9)
+      mini_portile2 (~> 2.8.0)
+      racc (~> 1.4)
+    racc (1.6.0)
+    rack (2.2.4)
     rack-test (0.6.3)
       rack (>= 1.0)
-    rails-dom-testing (2.0.1)
-      activesupport (>= 4.2.0, < 6.0)
-      nokogiri (~> 1.6.0)
-    rails-html-sanitizer (1.0.3)
-      loofah (~> 2.0)
+    rails-dom-testing (2.0.3)
+      activesupport (>= 4.2.0)
+      nokogiri (>= 1.6)
+    rails-html-sanitizer (1.4.3)
+      loofah (~> 2.3)
     railties (5.0.0.1)
       actionpack (= 5.0.0.1)
       activesupport (= 5.0.0.1)
@@ -72,8 +75,8 @@ GEM
       rspec-support (~> 3.5.0)
     rspec-support (3.5.0)
     thor (0.19.1)
-    thread_safe (0.3.5)
-    tzinfo (1.2.2)
+    thread_safe (0.3.6)
+    tzinfo (1.2.10)
       thread_safe (~> 0.1)
 
 PLATFORMS