diff --git a/Gemfile.lock b/Gemfile.lock
index d999e5cf..20ce66e9 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -101,6 +101,7 @@ GEM
     concurrent-ruby (1.0.5)
     crack (0.4.3)
       safe_yaml (~> 1.0.0)
+    crass (1.0.3)
     css_parser (1.4.9)
       addressable
     database_cleaner (1.6.1)
@@ -209,7 +210,8 @@ GEM
       rb-fsevent (~> 0.9, >= 0.9.4)
       rb-inotify (~> 0.9, >= 0.9.7)
       ruby_dep (~> 1.2)
-    loofah (2.0.3)
+    loofah (2.2.1)
+      crass (~> 1.0.2)
       nokogiri (>= 1.5.9)
     lumberjack (1.0.11)
     mail (2.6.6)