diff --git a/Gemfile.lock b/Gemfile.lock
index 6558a1d..66125ae 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -27,7 +27,7 @@ GEM
       coderay (~> 1.1.0)
       method_source (~> 0.9.0)
     rainbow (3.0.0)
-    rake (10.5.0)
+    rake (13.0.1)
     rspec (3.7.0)
       rspec-core (~> 3.7.0)
       rspec-expectations (~> 3.7.0)
@@ -71,7 +71,7 @@ DEPENDENCIES
   bundler (~> 1.16)
   coveralls (~> 0.8)
   pry
-  rake (~> 10.0)
+  rake (~> 13.0)
   rspec (~> 3.0)
   rubocop (~> 0.52)
   rubocop-rspec (~> 1.22)
diff --git a/adaptor.gemspec b/adaptor.gemspec
index 68ea955..6e490a9 100644
--- a/adaptor.gemspec
+++ b/adaptor.gemspec
@@ -23,7 +23,7 @@ Gem::Specification.new do |spec|
 
   spec.add_development_dependency 'coveralls', '~> 0.8'
   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', '~> 3.0'
   spec.add_development_dependency 'rubocop', '~> 0.52'
   spec.add_development_dependency 'rubocop-rspec', '~> 1.22'