ezclient.gemspec in ezclient-1.3.0 vs ezclient.gemspec in ezclient-1.4.0

@@ -3,10 +3,10 @@
 lib = File.expand_path("lib", __dir__)
 $LOAD_PATH.unshift(lib) unless $LOAD_PATH.include?(lib)
 require "ezclient/version"
 
 Gem::Specification.new do |spec|
-  spec.required_ruby_version = ">= 2.3.8"
+  spec.required_ruby_version = ">= 2.4.0"
 
   spec.name    = "ezclient"
   spec.version = EzClient::VERSION
   spec.authors = ["Yuri Smirnov"]
   spec.email   = ["[e-mail]", "[e-mail]"]