diff --git a/Gemfile.lock b/Gemfile.lock
index c342761..a1d5ae1 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -33,7 +33,7 @@ GEM
       metaclass (~> 0.0.1)
     multi_json (1.6.1)
     multi_xml (0.5.3)
-    rake (10.0.3)
+    rake (13.0.1)
     rdoc (3.12.2)
       json (~> 1.4)
     rest-client (1.6.7)