diff --git a/Gemfile.lock b/Gemfile.lock
index 6ae31e2..dad4867 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -45,7 +45,7 @@ GEM
     public_suffix (3.0.3)
     rainbow (2.2.2)
       rake
-    rake (12.3.1)
+    rake (13.0.1)
     rb-fsevent (0.10.3)
     rb-inotify (0.9.10)
       ffi (>= 0.5.0, < 2)