diff --git a/Gemfile.lock b/Gemfile.lock
index cd3d30a..461d283 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -120,7 +120,7 @@ GEM
       diff-lcs (>= 1.2.0, < 2.0)
       rspec-support (~> 3.3.0)
     rspec-support (3.3.0)
-    sass (3.4.16)
+    sass (3.4.18)
     settingslogic (2.0.9)
     signature (0.1.8)
     simplecov (0.10.0)