diff --git a/Gemfile.lock b/Gemfile.lock
index 0dc8519..2725c16 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -227,7 +227,7 @@ GEM
       method_source
       rake (>= 0.8.7)
       thor (>= 0.18.1, < 2.0)
-    rake (12.0.0)
+    rake (13.0.1)
     rb-fsevent (0.9.8)
     rb-inotify (0.9.9)
       ffi (~> 1.0)