diff --git a/Gemfile.lock b/Gemfile.lock
index 79c9523..d27190a 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -20,7 +20,7 @@ GEM
     json (1.6.5)
     multi_json (1.1.0)
     rack (1.4.1)
-    rake (0.9.2.2)
+    rake (13.0.1)
     rdoc (3.12)
       json (~> 1.4)
     rspec (2.9.0)