diff --git a/Gemfile.lock b/Gemfile.lock
index eeccc12..89cfae8 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -7,7 +7,7 @@ GEM
       bundler (~> 1.0)
       git (>= 1.2.5)
       rake
-    rake (0.9.2)
+    rake (13.0.1)
     rcov (0.9.9)
     rspec (2.6.0)
       rspec-core (~> 2.6.0)