diff --git a/Gemfile.lock b/Gemfile.lock
index 5c7835f..2b12102 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -60,7 +60,7 @@ GEM
       slop (~> 3.4)
     rainbow (2.2.2)
       rake
-    rake (10.4.2)
+    rake (13.0.1)
     rb-fsevent (0.9.5)
     rb-inotify (0.9.5)
       ffi (>= 0.5.0)