diff --git a/Gemfile.lock b/Gemfile.lock
index c2265d3..0983e0c 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -41,7 +41,7 @@ GEM
       multi_xml (~> 0.5)
       rack (~> 1.2)
     rack (1.5.2)
-    rake (10.1.0)
+    rake (13.0.1)
     rdoc (4.0.1)
       json (~> 1.4)
     redcarpet (3.0.0)