diff --git a/Gemfile.lock b/Gemfile.lock
index 1dd7226..67dbfb7 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -32,7 +32,7 @@ GEM
     net-http-persistent (2.5.2)
     nokogiri (1.5.2)
     ntlm-http (0.1.1)
-    rake (0.9.2.2)
+    rake (13.0.1)
     rspec (2.8.0)
       rspec-core (~> 2.8.0)
       rspec-expectations (~> 2.8.0)