diff --git a/Gemfile.lock b/Gemfile.lock
index 05b114c..12b8b15 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -112,6 +112,7 @@ GEM
     coffee-script-source (1.9.0)
     colored (1.2)
     columnize (0.9.0)
+    crass (1.0.5)
     database_cleaner (1.5.3)
     debug_inspector (0.0.2)
     debugger-linecache (1.2.0)
@@ -140,7 +141,8 @@ GEM
       railties (>= 4.2.0)
       thor (>= 0.14, < 2.0)
     json (1.8.2)
-    loofah (2.0.1)
+    loofah (2.3.1)
+      crass (~> 1.0.2)
       nokogiri (>= 1.5.9)
     mail (2.6.3)
       mime-types (>= 1.16, < 3)