diff --git a/Gemfile.lock b/Gemfile.lock
index 09ba060..745633b 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -49,7 +49,7 @@ GEM
     rack (1.2.1)
     rack-test (0.5.4)
       rack (>= 1.0)
-    rake (0.8.7)
+    rake (13.0.1)
     rdiscount (1.6.5)
     rspec (2.6.0)
       rspec-core (~> 2.6.0)