diff --git a/tdigest.gemspec b/tdigest.gemspec
index 9848981..9e4443d 100644
--- a/tdigest.gemspec
+++ b/tdigest.gemspec
@@ -30,7 +30,7 @@ Gem::Specification.new do |spec|
   end
 
   spec.add_development_dependency 'bundler', '~> 1.10'
-  spec.add_development_dependency 'rake', '~> 10.0'
+  spec.add_development_dependency 'rake', '~> 12.3'
   spec.add_development_dependency 'minitest', '~> 5.8'
   spec.add_development_dependency 'coveralls', '~> 0.8.10'
   spec.add_development_dependency 'simplecov', '~> 0.11.1'