diff --git a/Gemfile.lock b/Gemfile.lock
index 78e37c6..cc43abd 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -191,7 +191,7 @@ GEM
     listen (3.7.0)
       rb-fsevent (~> 0.10, >= 0.10.3)
       rb-inotify (~> 0.9, >= 0.9.10)
-    loofah (2.12.0)
+    loofah (2.18.0)
       crass (~> 1.0.2)
       nokogiri (>= 1.5.9)
     lumberjack (1.2.8)
@@ -275,7 +275,7 @@ 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 (6.0.4.1)
       actionpack (= 6.0.4.1)