diff --git a/Gemfile.lock b/Gemfile.lock
index 627ff3d06ef9..cebe5e812cd3 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -25,8 +25,8 @@ GEM
       http_parser.rb (~> 0.6.0)
     eventmachine (1.2.7)
     eventmachine (1.2.7-x64-mingw32)
-    ffi (1.12.2)
-    ffi (1.12.2-x64-mingw32)
+    ffi (1.13.1)
+    ffi (1.13.1-x64-mingw32)
     forwardable-extended (2.6.0)
     http_parser.rb (0.6.0)
     i18n (1.8.2)
@@ -94,9 +94,9 @@ GEM
     sass (3.4.25)
     sass-globbing (1.1.5)
       sass (>= 3.1)
-    sassc (2.2.1)
+    sassc (2.4.0)
       ffi (~> 1.9)
-    sassc (2.2.1-x64-mingw32)
+    sassc (2.4.0-x64-mingw32)
       ffi (~> 1.9)
     sinatra (2.0.8.1)
       mustermann (~> 1.0)