diff --git a/Gemfile.lock b/Gemfile.lock
index 1402af9..ca59622 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -45,7 +45,7 @@ GEM
       i18n (~> 0.5)
     i18n (0.7.0)
     json (1.8.2)
-    loofah (2.4.0)
+    loofah (2.19.1)
       crass (~> 1.0.2)
       nokogiri (>= 1.5.9)
     method_source (0.8.2)