diff --git a/Gemfile.lock b/Gemfile.lock
index b75f1d0..ec6cdec 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -44,7 +44,7 @@ GEM
       coderay (~> 1.1.0)
       method_source (~> 0.9.0)
     rainbow (3.0.0)
-    rake (10.5.0)
+    rake (13.0.3)
     rspec (3.8.0)
       rspec-core (~> 3.8.0)
       rspec-expectations (~> 3.8.0)
@@ -85,7 +85,7 @@ DEPENDENCIES
   bundler (~> 1.16)
   mysql2 (>= 0.4.4)
   pry
-  rake (~> 10.0)
+  rake (~> 13.0)
   rspec
   rspec-its
   rubocop
diff --git a/simple_cache.gemspec b/simple_cache.gemspec
index 120da39..b00127b 100644
--- a/simple_cache.gemspec
+++ b/simple_cache.gemspec
@@ -30,7 +30,7 @@ Gem::Specification.new do |spec|
   spec.add_development_dependency 'pry'
   spec.add_development_dependency 'mysql2', '>=0.4.4'
   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'
   spec.add_development_dependency 'rspec-its'
 end