diff --git a/Gemfile.lock b/Gemfile.lock
index f11796a..7f969e7 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -40,7 +40,7 @@ GEM
       rake (>= 0.8.7)
       rdoc (~> 3.4)
       thor (~> 0.14.4)
-    rake (0.9.2)
+    rake (13.0.1)
     rcov (0.9.10)
     rdoc (3.9.1)
     shoulda (2.11.3)