DEV: Update `rake` gem

DEV: Update rake gem

diff --git a/onebox.gemspec b/onebox.gemspec
index 9b68c3b..32fcc25 100644
--- a/onebox.gemspec
+++ b/onebox.gemspec
@@ -28,7 +28,7 @@ Gem::Specification.new do |spec|
   spec.add_runtime_dependency 'sanitize'
 
   spec.add_development_dependency 'bundler', '~> 2.0'
-  spec.add_development_dependency 'rake', '~> 10.4'
+  spec.add_development_dependency 'rake', '>= 12.3.3'
   spec.add_development_dependency 'rspec', '~> 3.2'
   spec.add_development_dependency 'fakeweb', '~> 1.3'
   spec.add_development_dependency 'pry', '~> 0.10'

GitHub sha: ef70c35e