diff --git a/Gemfile.lock b/Gemfile.lock
index b28f3e52..f38c87ed 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -190,7 +190,7 @@ GEM
     listen (3.5.1)
       rb-fsevent (~> 0.10, >= 0.10.3)
       rb-inotify (~> 0.9, >= 0.9.10)
-    loofah (2.9.1)
+    loofah (2.18.0)
       crass (~> 1.0.2)
       nokogiri (>= 1.5.9)
     lumberjack (1.2.8)
@@ -220,7 +220,7 @@ GEM
     nenv (0.3.0)
     netrc (0.11.0)
     nio4r (2.5.7)
-    nokogiri (1.13.4)
+    nokogiri (1.13.6)
       mini_portile2 (~> 2.8.0)
       racc (~> 1.4)
     notiffany (0.1.3)
@@ -264,7 +264,7 @@ 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 (5.2.2.1)
       actionpack (= 5.2.2.1)