diff --git a/hw4_grader_stuff/hw4_rottenpotatoes/Gemfile.lock b/hw4_grader_stuff/hw4_rottenpotatoes/Gemfile.lock
index 0d5a5ca5..e5dd6605 100644
--- a/hw4_grader_stuff/hw4_rottenpotatoes/Gemfile.lock
+++ b/hw4_grader_stuff/hw4_rottenpotatoes/Gemfile.lock
@@ -147,7 +147,7 @@ GEM
       activesupport (= 4.2.1)
       rake (>= 0.8.7)
       thor (>= 0.18.1, < 2.0)
-    rake (10.4.2)
+    rake (13.0.1)
     rdoc (4.2.0)
     ref (2.0.0)
     rspec-core (3.3.2)