diff --git a/Gemfile.lock b/Gemfile.lock
index 8a95ca7..e2cb93f 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -24,7 +24,7 @@ GEM
     i18n (0.6.5)
     json (1.8.0)
     multi_json (1.8.0)
-    rake (10.0.4)
+    rake (13.0.1)
     rdoc (4.0.1)
       json (~> 1.4)
     rspec (2.14.1)