diff --git a/Gemfile.lock b/Gemfile.lock
index 3eb491c..06c4df5 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -202,7 +202,7 @@ GEM
     rake (10.4.2)
     rdoc (3.12.2)
       json (~> 1.4)
-    ref (1.0.5)
+    ref (2.0.0)
     remotipart (1.2.1)
     responders (1.1.2)
       railties (>= 3.2, < 4.2)
@@ -213,7 +213,7 @@ GEM
     ruby_parser (3.7.0)
       sexp_processor (~> 4.1)
     safe_yaml (0.9.7)
-    sass (3.4.15)
+    sass (3.4.16)
     sass-rails (3.2.6)
       railties (~> 3.2.0)
       sass (>= 3.1.10)