diff --git a/Gemfile.lock b/Gemfile.lock
index de8ce63..4c8c534 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -231,7 +231,7 @@ GEM
       method_source
       rake (>= 0.8.7)
       thor (>= 0.18.1, < 2.0)
-    rake (12.0.0)
+    rake (13.0.6)
     rb-fsevent (0.9.8)
     rb-inotify (0.9.9)
       ffi (~> 1.0)