diff --git a/Gemfile.lock b/Gemfile.lock
index 4fabc36..7e5c636 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -48,7 +48,7 @@ GEM
     rack-test (0.6.3)
       rack (>= 1.0)
     rainbow (3.0.0)
-    rake (10.4.2)
+    rake (13.0.1)
     rspec (3.3.0)
       rspec-core (~> 3.3.0)
       rspec-expectations (~> 3.3.0)