diff --git a/Gemfile.lock b/Gemfile.lock
index a70a1f0..7e31354 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -17,7 +17,7 @@ GEM
     i18n (0.7.0)
     json (1.8.3)
     minitest (5.7.0)
-    rake (10.4.2)
+    rake (13.0.6)
     rspec (3.3.0)
       rspec-core (~> 3.3.0)
       rspec-expectations (~> 3.3.0)