diff --git a/Gemfile.lock b/Gemfile.lock
index 0cfe48f13..69ebe97aa 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -144,7 +144,7 @@ GEM
     ruby-openid (2.7.0)
     ruby-openid-apps-discovery (1.2.0)
       ruby-openid (>= 2.1.7)
-    sass (3.7.3)
+    sass (3.7.4)
       sass-listen (~> 4.0.0)
     sass-listen (4.0.0)
       rb-fsevent (~> 0.9, >= 0.9.4)