diff --git a/Gemfile.lock b/Gemfile.lock
index 1d47783..d56d442 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -147,7 +147,7 @@ GEM
       rack (~> 1.4)
     rack-livereload (0.3.16)
       rack
-    rake (12.0.0)
+    rake (13.0.1)
     rb-fsevent (0.9.8)
     rb-inotify (0.9.8)
       ffi (>= 0.5.0)