diff --git a/Gemfile.lock b/Gemfile.lock
index f3c04ff..e40e6a2 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -176,7 +176,7 @@ GEM
     logstash-event (1.2.02)
     logstash-logger (0.26.1)
       logstash-event (~> 1.2)
-    loofah (2.9.0)
+    loofah (2.18.0)
       crass (~> 1.0.2)
       nokogiri (>= 1.5.9)
     mail (2.7.1)
@@ -238,7 +238,7 @@ 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 (5.2.5)
       actionpack (= 5.2.5)