diff --git a/Gemfile.lock b/Gemfile.lock
index 06c3314..9b01ed4 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -123,7 +123,7 @@ GEM
       activesupport (= 4.1.4)
       rake (>= 0.8.7)
       thor (>= 0.18.1, < 2.0)
-    rake (12.3.2)
+    rake (13.0.1)
     rdiscount (1.6.8)
     rdoc (4.3.0)
     responders (1.1.2)