diff --git a/Gemfile.lock b/Gemfile.lock
index e9de00b..e8ca436 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -110,7 +110,7 @@ GEM
     erubi (1.8.0)
     eventmachine (1.2.7)
     execjs (2.7.0)
-    ffi (1.9.25)
+    ffi (1.10.0)
     foreman (0.85.0)
       thor (~> 0.19.1)
     formatador (0.2.5)
@@ -288,8 +288,8 @@ GEM
       sprockets (>= 2.8, < 4.0)
       sprockets-rails (>= 2.0, < 4.0)
       tilt (>= 1.1, < 3)
-    sassc (2.0.0)
-      ffi (~> 1.9.6)
+    sassc (2.0.1)
+      ffi (~> 1.9)
       rake
     shellany (0.0.1)
     simplecov (0.16.1)