diff --git a/Gemfile.lock b/Gemfile.lock
index 336ed65..09df1f0 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -21,7 +21,7 @@ GEM
     rack (1.4.1)
     rack-test (0.6.1)
       rack (>= 1.0)
-    rake (0.9.2.2)
+    rake (13.0.1)
     rspec (2.11.0)
       rspec-core (~> 2.11.0)
       rspec-expectations (~> 2.11.0)