diff --git a/Gemfile.lock b/Gemfile.lock
index 0d28d52..150236c 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -72,7 +72,7 @@ GEM
     i18n (0.9.5)
       concurrent-ruby (~> 1.0)
     json (1.8.3)
-    loofah (2.9.1)
+    loofah (2.19.1)
       crass (~> 1.0.2)
       nokogiri (>= 1.5.9)
     mime-types (2.99.1)