diff --git a/Gemfile.lock b/Gemfile.lock
index 39aa715..ab8d6ea 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -77,7 +77,7 @@ GEM
       rake (>= 0.8.7)
       rdoc (~> 3.4)
       thor (~> 0.14.6)
-    rake (12.2.1)
+    rake (13.0.1)
     rdoc (3.12.2)
       json (~> 1.4)
     sass (3.4.25)