diff --git a/Gemfile.lock b/Gemfile.lock
index cf2af84..44c57ab 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -96,7 +96,7 @@ GEM
       method_source (~> 0.8.1)
       slop (~> 3.4)
     rack (1.5.5)
-    rake (10.4.2)
+    rake (13.0.1)
     rb-fsevent (0.9.5)
     rb-inotify (0.9.5)
       ffi (>= 0.5.0)