diff --git a/Gemfile.lock b/Gemfile.lock
index b5d7a74..5b9fc47 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -121,7 +121,7 @@ GEM
     listen (3.0.8)
       rb-fsevent (~> 0.9, >= 0.9.4)
       rb-inotify (~> 0.9, >= 0.9.7)
-    loofah (2.6.0)
+    loofah (2.19.1)
       crass (~> 1.0.2)
       nokogiri (>= 1.5.9)
     mail (2.6.5)
@@ -131,13 +131,14 @@ GEM
     mime-types (3.1)
       mime-types-data (~> 3.2015)
     mime-types-data (3.2016.0521)
-    mini_portile2 (2.4.0)
+    mini_portile2 (2.8.0)
     minitest (5.14.1)
     multi_json (1.12.1)
     nested_form (0.3.2)
     nio4r (2.1.0)
-    nokogiri (1.10.10)
-      mini_portile2 (~> 2.4.0)
+    nokogiri (1.13.10)
+      mini_portile2 (~> 2.8.0)
+      racc (~> 1.4)
     nokogumbo (1.4.13)
       nokogiri
     orm_adapter (0.5.0)
@@ -155,6 +156,7 @@ GEM
       mem
       pygments.rb (~> 1.0)
       sanitize
+    racc (1.6.1)
     rack (2.2.3)
     rack-pjax (1.0.0)
       nokogiri (~> 1.5)
@@ -176,8 +178,8 @@ GEM
     rails-dom-testing (2.0.3)
       activesupport (>= 4.2.0)
       nokogiri (>= 1.6)
-    rails-html-sanitizer (1.3.0)
-      loofah (~> 2.3)
+    rails-html-sanitizer (1.4.4)
+      loofah (~> 2.19, >= 2.19.1)
     rails_admin (1.2.0)
       builder (~> 3.1)
       coffee-rails (~> 4.0)