diff --git a/xero-ruby.gemspec b/xero-ruby.gemspec
index 2662de90..87edc4f5 100644
--- a/xero-ruby.gemspec
+++ b/xero-ruby.gemspec
@@ -24,7 +24,7 @@ Gem::Specification.new do |s|
   s.summary     = "Xero Accounting API Ruby Gem"
   s.description = "Xero API OAuth2.0 SDK - Ruby Gem"
   s.license     = "Unlicense"
-  s.required_ruby_version = ">= 2.3"
+  s.required_ruby_version = ">= 3.2"
 
   s.add_runtime_dependency 'faraday', '>= 2.0', '< 3.0'
   s.add_runtime_dependency 'json', '~> 2.1', '>= 2.1.0'