diff --git a/Gemfile.lock b/Gemfile.lock
index 0267498..247c679 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -106,7 +106,7 @@ GEM
     coffee-script-source (1.12.2)
     concurrent-ruby (1.1.5)
     cowsay (0.3.0)
-    crass (1.0.5)
+    crass (1.0.6)
     delayed_job (4.1.8)
       activesupport (>= 3.0, < 6.1)
     delayed_job_active_record (4.1.4)
@@ -154,7 +154,7 @@ GEM
       rb-fsevent (~> 0.9, >= 0.9.4)
       rb-inotify (~> 0.9, >= 0.9.7)
       ruby_dep (~> 1.2)
-    loofah (2.4.0)
+    loofah (2.18.0)
       crass (~> 1.0.2)
       nokogiri (>= 1.5.9)
     mail (2.7.1)
@@ -165,7 +165,7 @@ GEM
     mimemagic (0.3.3)
     mini_magick (4.9.5)
     mini_mime (1.0.2)
-    mini_portile2 (2.4.0)
+    mini_portile2 (2.8.0)
     minitest (5.13.0)
     msgpack (1.3.1)
     multi_json (1.14.1)
@@ -174,8 +174,9 @@ GEM
     mustermann (1.1.0)
       ruby2_keywords (~> 0.0.1)
     nio4r (2.5.2)
-    nokogiri (1.10.7)
-      mini_portile2 (~> 2.4.0)
+    nokogiri (1.13.6)
+      mini_portile2 (~> 2.8.0)
+      racc (~> 1.4)
     nyan-cat-formatter (0.12.0)
       rspec (>= 2.99, >= 2.14.2, < 4)
     oauth2 (1.4.2)
@@ -202,6 +203,7 @@ GEM
       pry (>= 0.10.4)
     public_suffix (4.0.2)
     puma (3.12.2)
+    racc (1.6.0)
     rack (2.0.8)
     rack-cors (1.1.1)
       rack (>= 2.0.0)
@@ -231,7 +233,7 @@ GEM
     rails-dom-testing (2.0.3)
       activesupport (>= 4.2.0)
       nokogiri (>= 1.6)
-    rails-html-sanitizer (1.3.0)
+    rails-html-sanitizer (1.4.3)
       loofah (~> 2.3)
     railties (6.0.2.1)
       actionpack (= 6.0.2.1)