diff --git a/Gemfile.lock b/Gemfile.lock
index 6eae197..8105a12 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -103,7 +103,7 @@ GEM
     pusher-client (0.6.2)
       json
       websocket (~> 1.0)
-    rake (12.0.0)
+    rake (13.0.1)
     rest-client (1.8.0)
       http-cookie (>= 1.0.2, < 2.0)
       mime-types (>= 1.16, < 3.0)