diff --git a/Gemfile b/Gemfile
index 42acf7e..300b94f 100644
--- a/Gemfile
+++ b/Gemfile
@@ -4,7 +4,7 @@ source "http://rubygems.org"
 #   gem "activesupport", ">= 2.3.5"
 
 gem "sequel", "~> 4.10.0"
-gem "rake", "~> 12.3.3"
+gem "rake", "~> 13.4.0"
 
 # Add dependencies to develop your gem here.
 # Include everything needed to run rake, tests, features, etc.