diff --git a/Gemfile.lock b/Gemfile.lock
index b030783..789d1ea 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -39,7 +39,7 @@ GEM
       activesupport (= 4.0.0)
       rake (>= 0.8.7)
       thor (>= 0.18.1, < 2.0)
-    rake (10.0.4)
+    rake (13.0.1)
     rdoc (4.0.1)
       json (~> 1.4)
     thor (0.18.1)