diff --git a/jemoji.gemspec b/jemoji.gemspec
index 0e811c2..4c30b78 100644
--- a/jemoji.gemspec
+++ b/jemoji.gemspec
@@ -20,7 +20,7 @@ Gem::Specification.new do |s|
   s.add_dependency "jekyll", ">= 3.0", "< 5.0"
 
   s.add_development_dependency "bundler"
-  s.add_development_dependency "rake", "~> 12.0"
+  s.add_development_dependency "rake", "~> 13.0"
   s.add_development_dependency "rspec", "~> 3.0"
   s.add_development_dependency "rubocop-jekyll", "~> 0.4"
 end