diff --git a/Gemfile.lock b/Gemfile.lock
index b6d613f..b2586b2 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -149,7 +149,7 @@ GEM
       activesupport (= 4.0.13)
       rake (>= 0.8.7)
       thor (>= 0.18.1, < 2.0)
-    rake (10.4.2)
+    rake (13.0.1)
     rdoc (3.12.2)
       json (~> 1.4)
     ref (2.0.0)