diff --git a/Gemfile.lock b/Gemfile.lock
index 41cc2f7bf..25fe77d05 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -357,7 +357,7 @@ GEM
       actionmailer (>= 3.2)
       letter_opener (~> 1.0)
       railties (>= 3.2)
-    loofah (2.12.0)
+    loofah (2.18.0)
       crass (~> 1.0.2)
       nokogiri (>= 1.5.9)
     mail (2.7.1)
@@ -487,7 +487,7 @@ 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)
     rails-i18n (5.1.3)
       i18n (>= 0.7, < 2)