diff --git a/Gemfile.lock b/Gemfile.lock
index 55b35f1..9ffbaf8 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -106,7 +106,7 @@ GEM
       activesupport (= 4.2.7.1)
       rake (>= 0.8.7)
       thor (>= 0.18.1, < 2.0)
-    rake (11.2.2)
+    rake (13.0.1)
     rdoc (4.2.2)
       json (~> 1.4)
     sass (3.4.22)