diff --git a/Gemfile.lock b/Gemfile.lock
index f605aee32b50d2963fe7d62dd57068ec8f0b7e9a..8d4ad7432144498c7d61c78f003a571214a45d81 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -647,7 +647,7 @@ GEM
     ruby-progressbar (1.7.5)
     rubyzip (1.1.7)
     safe_yaml (1.0.4)
-    sass (3.4.18)
+    sass (3.4.19)
     sass-rails (5.0.4)
       railties (>= 4.0.0, < 5.0)
       sass (~> 3.1)