diff --git a/Gemfile.lock b/Gemfile.lock
index 5df8f4b..ffa0aef 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -53,7 +53,7 @@ GEM
       method_source
       rake (>= 0.8.7)
       thor (>= 0.18.1, < 2.0)
-    rake (11.2.2)
+    rake (13.0.1)
     rspec-core (3.5.2)
       rspec-support (~> 3.5.0)
     rspec-expectations (3.5.0)