diff --git a/Gemfile.lock b/Gemfile.lock
index 9b89349..c9ee62d 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -130,7 +130,7 @@ GEM
       method_source
       rake (>= 0.8.7)
       thor (>= 0.18.1, < 2.0)
-    rake (11.3.0)
+    rake (13.0.1)
     rdoc (5.0.0)
     rspec (3.5.0)
       rspec-core (~> 3.5.0)