diff --git a/Gemfile.lock b/Gemfile.lock
index b72c40d..5c3b472 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -18,7 +18,7 @@ GEM
     pastel (0.7.2)
       equatable (~> 0.5.0)
       tty-color (~> 0.4.0)
-    rake (10.5.0)
+    rake (13.0.1)
     rake-compiler (1.0.5)
       rake
     rspec (3.8.0)
@@ -52,7 +52,7 @@ PLATFORMS
 DEPENDENCIES
   bundler (~> 1.16)
   dru!
-  rake (~> 10.0)
+  rake (~> 13.0)
   rake-compiler
   rspec (~> 3.0)
   simplecov (~> 0.16.1)
diff --git a/dru.gemspec b/dru.gemspec
index 40578fd..ba0822c 100644
--- a/dru.gemspec
+++ b/dru.gemspec
@@ -42,7 +42,7 @@ Gem::Specification.new do |spec|
   spec.add_dependency "thor", "~> 0.20.0"
 
   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 "rake-compiler"
   spec.add_development_dependency "rspec", "~> 3.0"
   spec.add_development_dependency "simplecov", "~> 0.16.1"