diff --git a/Gemfile.lock b/Gemfile.lock
index d267204..7240fa1 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -46,7 +46,7 @@ GEM
     power_assert (1.1.3)
     psych (3.0.3)
     rack (2.0.6)
-    rake (12.3.1)
+    rake (13.0.1)
     rdoc (6.0.4)
     redis (3.0.6)
     redis-namespace (1.3.2)