diff --git a/Gemfile.lock b/Gemfile.lock
index cc3b3c0..e3ce282 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -159,7 +159,7 @@ GEM
     public_suffix (4.0.6)
     puma (5.0.0)
       nio4r (~> 2.0)
-    rack (2.2.3)
+    rack (2.2.6.2)
     rack-test (1.1.0)
       rack (>= 1.0, < 3)
     rails (5.1.7)
@@ -322,6 +322,7 @@ DEPENDENCIES
   rubocop
   rubocop-faker
   sass-rails
+  sassc (~> 2.1.0)
   shoulda-matchers (~> 3.1)
   simplecov
   slim-rails