diff --git a/Gemfile.lock b/Gemfile.lock
index ee47517..33f4e77 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -79,6 +79,7 @@ GEM
     concurrent-ruby (1.0.5)
     crack (0.4.3)
       safe_yaml (~> 1.0.0)
+    crass (1.0.6)
     database_cleaner (1.5.3)
     delayed_job (4.1.2)
       activesupport (>= 3.0, < 5.1)
@@ -122,7 +123,8 @@ GEM
       rb-fsevent (~> 0.9, >= 0.9.4)
       rb-inotify (~> 0.9, >= 0.9.7)
       ruby_dep (~> 1.2)
-    loofah (2.0.3)
+    loofah (2.18.0)
+      crass (~> 1.0.2)
       nokogiri (>= 1.5.9)
     mail (2.6.4)
       mime-types (>= 1.16, < 4)
@@ -130,14 +132,14 @@ GEM
     mime-types (3.1)
       mime-types-data (~> 3.2015)
     mime-types-data (3.2016.0521)
-    mini_portile2 (2.1.0)
+    mini_portile2 (2.4.0)
     minitest (5.10.1)
     neat (2.0.0)
       sass (~> 3.4)
       thor (~> 0.19)
     nio4r (2.0.0)
-    nokogiri (1.7.1)
-      mini_portile2 (~> 2.1.0)
+    nokogiri (1.10.10)
+      mini_portile2 (~> 2.4.0)
     normalize-rails (3.0.3)
     pg (0.20.0)
     pry (0.10.4)
@@ -175,8 +177,8 @@ GEM
     rails-dom-testing (2.0.2)
       activesupport (>= 4.2.0, < 6.0)
       nokogiri (~> 1.6)
-    rails-html-sanitizer (1.0.3)
-      loofah (~> 2.0)
+    rails-html-sanitizer (1.4.3)
+      loofah (~> 2.3)
     rails_stdout_logging (0.0.5)
     railties (5.0.2)
       actionpack (= 5.0.2)