diff --git a/Gemfile.lock b/Gemfile.lock
index c35cab9..6acec03 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -85,7 +85,7 @@ GEM
       activesupport (>= 4.2.0)
     i18n (1.8.2)
       concurrent-ruby (~> 1.0)
-    loofah (2.4.0)
+    loofah (2.18.0)
       crass (~> 1.0.2)
       nokogiri (>= 1.5.9)
     mail (2.7.1)
@@ -98,7 +98,7 @@ GEM
     mini_portile2 (2.4.0)
     minitest (5.14.0)
     nio4r (2.5.2)
-    nokogiri (1.10.8)
+    nokogiri (1.10.10)
       mini_portile2 (~> 2.4.0)
     protocol-redis (0.5.0)
     rack (2.1.1)
@@ -122,7 +122,7 @@ 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)