diff --git a/Gemfile.lock b/Gemfile.lock
index e10e35d..f2412dc 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -17,7 +17,7 @@ GEM
     json (1.8.3)
     minitest (5.8.4)
     multi_xml (0.5.5)
-    rake (10.5.0)
+    rake (13.0.1)
     websocket (1.2.2)
     websocket-client-simple (0.3.0)
       event_emitter