diff --git a/Gemfile.lock b/Gemfile.lock
index 212155e..10dcd32 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -99,7 +99,7 @@ GEM
       rake (>= 0.8.7)
       thor (>= 0.18.1, < 2.0)
     raindrops (0.13.0)
-    rake (10.4.2)
+    rake (13.0.1)
     rdoc (4.2.0)
     redcarpet (2.2.2)
     rspec-collection_matchers (1.1.2)