diff --git a/Gemfile.lock b/Gemfile.lock
index c8def97..e165610 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -72,7 +72,7 @@ GEM
       activesupport (= 4.1.0)
       rake (>= 0.8.7)
       thor (>= 0.18.1, < 2.0)
-    rake (10.2.2)
+    rake (13.0.1)
     rdoc (4.1.1)
       json (~> 1.4)
     sass (3.2.19)