diff --git a/Gemfile.lock b/Gemfile.lock
index a31b8d704d8..109dab058e9 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -434,9 +434,12 @@ GEM
     safe_yaml (1.0.4)
     sass-rails (6.0.0)
       sassc-rails (~> 2.1, >= 2.1.1)
-    sassc (2.0.1)
+    sassc (2.2.1)
+      ffi (~> 1.9)
+    sassc (2.2.1-x64-mingw32)
+      ffi (~> 1.9)
+    sassc (2.2.1-x86-mingw32)
       ffi (~> 1.9)
-      rake
     sassc-rails (2.1.2)
       railties (>= 4.0.0)
       sassc (>= 2.0)