rf_rgb.gemspec in rf_rgb-0.8.0 vs rf_rgb.gemspec in rf_rgb-0.8.5

@@ -12,9 +12,10 @@
   spec.summary       = %q{Some classes to interact with Topre Realforce RGB keyboards.}
   spec.description   = %q{Some classes to allow for read and writing key colors and actuation heights on Topre Realforce RGB keyboards}
   spec.homepage      = "https://github.com/xxx/rf_rgb"
   spec.license       = "MIT"
 
+  spec.required_ruby_version = ">= 2.3"
   # Prevent pushing this gem to RubyGems.org. To allow pushes either set the 'allowed_push_host'
   # to allow pushing to a single host or delete this section to allow pushing to any host.
   if spec.respond_to?(:metadata)
     spec.metadata["allowed_push_host"] = "https://rubygems.org"
   else