diff --git a/Gemfile.lock b/Gemfile.lock
index a02eae991..839ea05aa 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -421,7 +421,7 @@ GEM
       activesupport (>= 4)
       railties (>= 4)
       request_store (~> 1.0)
-    loofah (2.19.1)
+    loofah (2.20.0)
       crass (~> 1.0.2)
       nokogiri (>= 1.5.9)
     mail (2.8.1)