diff --git a/_site/Gemfile.lock b/_site/Gemfile.lock
index 757743e..5d1f893 100644
--- a/_site/Gemfile.lock
+++ b/_site/Gemfile.lock
@@ -133,7 +133,7 @@ GEM
       activesupport (= 4.2.7.1)
       rake (>= 0.8.7)
       thor (>= 0.18.1, < 2.0)
-    rake (11.3.0)
+    rake (13.0.1)
     rb-fsevent (0.9.8)
     rb-inotify (0.9.7)
       ffi (>= 0.5.0)