diff --git a/Gemfile.lock b/Gemfile.lock
index 0065ebec..84072a03 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -100,7 +100,7 @@ GEM
       with_env (= 1.1.0)
       xml-simple (~> 1.1.9)
     lint_roller (1.1.0)
-    loofah (2.21.3)
+    loofah (2.21.4)
       crass (~> 1.0.2)
       nokogiri (>= 1.12.0)
     mail (2.8.1)