diff --git a/Gemfile.lock b/Gemfile.lock
index 1c1a770..31b5510 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -159,10 +159,10 @@ GEM
     ruby-progressbar (1.7.0)
     safe_yaml (1.0.4)
     sass (3.2.19)
-    sass-rails (4.0.4)
+    sass-rails (4.0.5)
       railties (>= 4.0.0, < 5.0)
       sass (~> 3.2.2)
-      sprockets (~> 2.8, < 2.12)
+      sprockets (~> 2.8, < 3.0)
       sprockets-rails (~> 2.0)
     simplecov (0.9.1)
       docile (~> 1.1.0)
@@ -173,7 +173,7 @@ GEM
       activesupport (>= 3.0.0)
     slop (3.6.0)
     spring (1.2.0)
-    sprockets (2.11.3)
+    sprockets (2.12.3)
       hike (~> 1.2)
       multi_json (~> 1.0)
       rack (~> 1.0)