diff --git a/Gemfile.lock b/Gemfile.lock
index 5129337..83b9071 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -202,7 +202,7 @@ GEM
     spring (1.3.6)
     sprockets (3.1.0)
       rack (~> 1.0)
-    sprockets-rails (2.3.0)
+    sprockets-rails (2.3.1)
       actionpack (>= 3.0)
       activesupport (>= 3.0)
       sprockets (>= 2.8, < 4.0)