diff --git a/Gemfile.lock b/Gemfile.lock
index 4490679..beb253c 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -13,7 +13,7 @@ GEM
     i18n (0.4.1)
     mocha (0.9.8)
       rake
-    rake (0.8.7)
+    rake (13.0.1)
     shoulda (2.11.3)
 
 PLATFORMS