diff --git a/Gemfile.lock b/Gemfile.lock
index 6e45f9a..21d6cf8 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -7,7 +7,7 @@ GEM
   remote: https://rubygems.org/
   specs:
     diff-lcs (1.3)
-    rake (10.5.0)
+    rake (13.0.1)
     rspec (3.9.0)
       rspec-core (~> 3.9.0)
       rspec-expectations (~> 3.9.0)
@@ -27,7 +27,7 @@ PLATFORMS
 
 DEPENDENCIES
   bundler (~> 1.16)
-  rake (~> 10.0)
+  rake (~> 13.0)
   rspec (~> 3)
   smart_options!
 
diff --git a/smart_options.gemspec b/smart_options.gemspec
index 38bb01a..9064aa7 100644
--- a/smart_options.gemspec
+++ b/smart_options.gemspec
@@ -24,6 +24,6 @@ Gem::Specification.new do |spec|
   spec.require_paths = ["lib"]
 
   spec.add_development_dependency "bundler", "~> 1.16"
-  spec.add_development_dependency "rake", "~> 10.0"
+  spec.add_development_dependency "rake", "~> 13.0"
   spec.add_development_dependency "rspec", "~> 3"
 end