diff --git a/Gemfile.lock b/Gemfile.lock
index 313beaa..425630f 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -218,8 +218,8 @@ GEM
     rails-dom-testing (2.0.3)
       activesupport (>= 4.2.0)
       nokogiri (>= 1.6)
-    rails-html-sanitizer (1.0.3)
-      loofah (~> 2.0)
+    rails-html-sanitizer (1.0.4)
+      loofah (~> 2.2, >= 2.2.2)
     rails-perftest (0.0.7)
     railties (5.1.5)
       actionpack (= 5.1.5)