diff --git a/Gemfile.lock b/Gemfile.lock
index 71882f3..b0170e1 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -29,19 +29,22 @@ GEM
     byebug (9.1.0)
     coderay (1.1.2)
     concurrent-ruby (1.0.5)
+    crass (1.0.6)
     erubi (1.6.1)
     html_tokenizer (0.0.6)
     i18n (0.8.6)
-    loofah (2.0.3)
+    loofah (2.19.1)
+      crass (~> 1.0.2)
       nokogiri (>= 1.5.9)
     metaclass (0.0.4)
     method_source (0.9.0)
-    mini_portile2 (2.3.0)
+    mini_portile2 (2.8.0)
     minitest (5.10.3)
     mocha (1.2.1)
       metaclass (~> 0.0.1)
-    nokogiri (1.8.1)
-      mini_portile2 (~> 2.3.0)
+    nokogiri (1.13.10)
+      mini_portile2 (~> 2.8.0)
+      racc (~> 1.4)
     parser (2.6.3.0)
       ast (~> 2.4.0)
     pry (0.11.2)
@@ -50,11 +53,12 @@ GEM
     pry-byebug (3.5.0)
       byebug (~> 9.1)
       pry (~> 0.10)
+    racc (1.6.1)
     rails-dom-testing (2.0.3)
       activesupport (>= 4.2.0)
       nokogiri (>= 1.6)
-    rails-html-sanitizer (1.0.3)
-      loofah (~> 2.0)
+    rails-html-sanitizer (1.4.4)
+      loofah (~> 2.19, >= 2.19.1)
     rake (11.1.2)
     smart_properties (1.15.0)
     thread_safe (0.3.6)