diff --git a/Gemfile.lock b/Gemfile.lock
index 74050ca..96636b2 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -163,7 +163,7 @@ GEM
       rb-fsevent (~> 0.9, >= 0.9.4)
       rb-inotify (~> 0.9, >= 0.9.7)
       ruby_dep (~> 1.2)
-    loofah (2.15.0)
+    loofah (2.18.0)
       crass (~> 1.0.2)
       nokogiri (>= 1.5.9)
     mail (2.7.1)
@@ -195,7 +195,7 @@ GEM
     net-http-persistent (4.0.1)
       connection_pool (~> 2.2)
     nio4r (2.5.8)
-    nokogiri (1.13.3)
+    nokogiri (1.13.6)
       mini_portile2 (~> 2.8.0)
       racc (~> 1.4)
     parallel (1.21.0)
@@ -230,7 +230,7 @@ GEM
     rails-dom-testing (2.0.3)
       activesupport (>= 4.2.0)
       nokogiri (>= 1.6)
-    rails-html-sanitizer (1.4.2)
+    rails-html-sanitizer (1.4.3)
       loofah (~> 2.3)
     railties (5.2.7)
       actionpack (= 5.2.7)