diff --git a/Gemfile.lock b/Gemfile.lock
index 09c7175..2b446a7 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -56,7 +56,7 @@ GEM
     pg (0.17.1)
     plucky (0.3.8)
       mongo (~> 1.3)
-    rake (10.3.2)
+    rake (13.0.1)
     rspec (3.1.0)
       rspec-core (~> 3.1.0)
       rspec-expectations (~> 3.1.0)