diff --git a/Gemfile.lock b/Gemfile.lock
index 52efcdb..33f33ed 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -89,7 +89,7 @@ GEM
       activesupport (= 4.2.3)
       rake (>= 0.8.7)
       thor (>= 0.18.1, < 2.0)
-    rake (10.4.2)
+    rake (13.0.1)
     rdoc (4.2.0)
     rspec (3.3.0)
       rspec-core (~> 3.3.0)
@@ -127,7 +127,7 @@ PLATFORMS
 
 DEPENDENCIES
   flatcar!
-  rake (~> 10.4)
+  rake (~> 13.0)
   rdoc (~> 4.2)
   rspec (~> 3.3)
   simplecov (~> 0.10.0)
diff --git a/flatcar.gemspec b/flatcar.gemspec
index a668f1e..babacc9 100644
--- a/flatcar.gemspec
+++ b/flatcar.gemspec
@@ -22,7 +22,7 @@ Gem::Specification.new do |gem|
   gem.required_ruby_version = '>= 2.2.2'
   gem.add_dependency 'gli', '2.13.1'
   gem.add_dependency 'rails', '~> 4.2'
-  gem.add_development_dependency 'rake', '~> 10.4'
+  gem.add_development_dependency 'rake', '~> 13.0'
   gem.add_development_dependency 'rspec', '~> 3.3'
   gem.add_development_dependency 'simplecov', '~> 0.10.0'
   gem.add_development_dependency 'simplecov-rcov', '~> 0.2.3'