diff --git a/Gemfile.lock b/Gemfile.lock
index 7ebdb17..fd9de34 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -20,7 +20,7 @@ GEM
     pry-byebug (3.4.1)
       byebug (~> 9.0)
       pry (~> 0.10)
-    rake (10.5.0)
+    rake (13.0.6)
     rspec (3.5.0)
       rspec-core (~> 3.5.0)
       rspec-expectations (~> 3.5.0)
@@ -45,7 +45,7 @@ DEPENDENCIES
   pg_benchmark!
   pry (~> 0.10)
   pry-byebug (~> 3.4)
-  rake (~> 10.0)
+  rake (~> 13.0)
   rspec (~> 3.0)
 
 BUNDLED WITH
diff --git a/pg_benchmark.gemspec b/pg_benchmark.gemspec
index 2d9c7de..194747a 100644
--- a/pg_benchmark.gemspec
+++ b/pg_benchmark.gemspec
@@ -34,7 +34,7 @@ Gem::Specification.new do |spec|
   spec.add_dependency "pg", "~> 0.19"
 
   spec.add_development_dependency "bundler", "~> 1.13"
-  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 "pry", "~> 0.10"
   spec.add_development_dependency "pry-byebug", "~> 3.4"