diff --git a/Gemfile.lock b/Gemfile.lock
index d3d04e2..6897d8d 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -74,7 +74,7 @@ GEM
       method_source (~> 1.0)
     racc (1.8.1)
     rainbow (3.1.1)
-    rake (13.3.1)
+    rake (13.4.2)
     rb-fsevent (0.11.2)
     rb-inotify (0.10.1)
       ffi (~> 1.0)