diff --git a/Gemfile.lock b/Gemfile.lock
index 6c5fb39..28a35cb 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -252,7 +252,7 @@ GEM
       thor (>= 0.20.3, < 2.0)
     rainbow (3.0.0)
     raindrops (0.19.0)
-    rake (12.3.3)
+    rake (13.0.0)
     rb-fsevent (0.10.3)
     rb-inotify (0.10.0)
       ffi (~> 1.0)