diff --git a/Gemfile.lock b/Gemfile.lock
index 5582e1d..9d5a7d6 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -142,7 +142,7 @@ GEM
     listen (3.7.1)
       rb-fsevent (~> 0.10, >= 0.10.3)
       rb-inotify (~> 0.9, >= 0.9.10)
-    loofah (2.16.0)
+    loofah (2.17.0)
       crass (~> 1.0.2)
       nokogiri (>= 1.5.9)
     mercenary (0.4.0)