diff --git a/Gemfile.lock b/Gemfile.lock
index 9a0d00d..2177b44 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -70,7 +70,7 @@ GEM
       activesupport (= 4.1.8)
       rake (>= 0.8.7)
       thor (>= 0.18.1, < 2.0)
-    rake (10.4.2)
+    rake (13.0.1)
     rdoc (4.1.2)
       json (~> 1.4)
     sass (3.2.19)