diff --git a/Gemfile.lock b/Gemfile.lock
index 4e2f82b..7a903b2 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -110,7 +110,7 @@ GEM
     pry-byebug (3.7.0)
       byebug (~> 11.0)
       pry (~> 0.10)
-    rake (10.5.0)
+    rake (13.0.1)
     rspec (3.9.0)
       rspec-core (~> 3.9.0)
       rspec-expectations (~> 3.9.0)
@@ -133,7 +133,7 @@ DEPENDENCIES
   bundler (~> 1.17)
   multidapter!
   pry-byebug
-  rake (~> 10.0)
+  rake (~> 13.0)
   rspec (~> 3.0)
   yard (~> 0.9)
 
diff --git a/multidapter.gemspec b/multidapter.gemspec
index 3143b49..958c51b 100644
--- a/multidapter.gemspec
+++ b/multidapter.gemspec
@@ -42,7 +42,7 @@ Gem::Specification.new do |spec|
   spec.add_dependency 'mime-types'
 
   spec.add_development_dependency "bundler",      "~> 1.17"
-  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 "yard",         "~> 0.9"