diff --git a/Gemfile.lock b/Gemfile.lock
index 097c5ff..28f1a04 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -7,7 +7,7 @@ GEM
   remote: http://rubygems.org/
   specs:
     diff-lcs (1.2.5)
-    rake (10.4.2)
+    rake (13.0.1)
     rspec (3.3.0)
       rspec-core (~> 3.3.0)
       rspec-expectations (~> 3.3.0)