diff --git a/Gemfile.lock b/Gemfile.lock
index 44ad4a2..99a7102 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -70,7 +70,7 @@ GEM
       puma (~> 3.4)
     choice (0.2.0)
     concurrent-ruby (1.0.5)
-    crass (1.0.4)
+    crass (1.0.6)
     erubi (1.7.1)
     faraday (0.15.3)
       multipart-post (>= 1.2, < 3)
@@ -89,14 +89,14 @@ GEM
       rb-fsevent (~> 0.9, >= 0.9.4)
       rb-inotify (~> 0.9, >= 0.9.7)
       ruby_dep (~> 1.2)
-    loofah (2.2.3)
+    loofah (2.19.1)
       crass (~> 1.0.2)
       nokogiri (>= 1.5.9)
     mail (2.7.1)
       mini_mime (>= 0.1.1)
     method_source (0.9.1)
     mini_mime (1.0.1)
-    mini_portile2 (2.3.0)
+    mini_portile2 (2.8.0)
     minitest (5.11.3)
     multipart-post (2.0.0)
     mysql2 (0.3.21)
@@ -104,11 +104,13 @@ GEM
       net-ssh (>= 2.6.5)
     net-ssh (5.0.2)
     nio4r (2.3.1)
-    nokogiri (1.8.5)
-      mini_portile2 (~> 2.3.0)
+    nokogiri (1.13.10)
+      mini_portile2 (~> 2.8.0)
+      racc (~> 1.4)
     nokogiri-happymapper (0.8.0)
       nokogiri (~> 1.5)
     puma (3.12.0)
+    racc (1.6.1)
     rack (2.0.6)
     rack-cors (1.0.2)
     rack-test (1.1.0)
@@ -133,8 +135,8 @@ GEM
       activesupport (>= 3.2)
       choice (~> 0.2.0)
       ruby-graphviz (~> 1.2)
-    rails-html-sanitizer (1.0.4)
-      loofah (~> 2.2, >= 2.2.2)
+    rails-html-sanitizer (1.4.4)
+      loofah (~> 2.19, >= 2.19.1)
     railties (5.1.6)
       actionpack (= 5.1.6)
       activesupport (= 5.1.6)