diff --git a/Gemfile.lock b/Gemfile.lock
index b42e040..2d2929e 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -7,7 +7,7 @@ GEM
     json (2.0.2)
     minitest (5.10.1)
     multi_xml (0.6.0)
-    rake (12.0.0)
+    rake (12.3.3)
 
 PLATFORMS
   ruby