diff --git a/Gemfile.lock b/Gemfile.lock
index 192712c..79f7702 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -36,7 +36,7 @@ GEM
     erubi (1.9.0)
     i18n (1.8.5)
       concurrent-ruby (~> 1.0)
-    loofah (2.7.0)
+    loofah (2.18.0)
       crass (~> 1.0.2)
       nokogiri (>= 1.5.9)
     method_source (1.0.0)
@@ -59,7 +59,7 @@ 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 (6.0.3.4)
       actionpack (= 6.0.3.4)