diff --git a/activerecord-null.gemspec b/activerecord-null.gemspec
index e7fe423..86735ab 100644
--- a/activerecord-null.gemspec
+++ b/activerecord-null.gemspec
@@ -11,7 +11,7 @@ Gem::Specification.new do |spec|
   spec.summary = "Null Objects for ActiveRecord"
   spec.description = "Create Null Objects for ActiveRecord models with automatic support for empty associations."
   spec.homepage = "https://github.com/SOFware/activerecord-null"
-  spec.required_ruby_version = ">= 3.0.0"
+  spec.required_ruby_version = ">= 3.3.0"
 
   spec.metadata["homepage_uri"] = spec.homepage
   spec.metadata["source_code_uri"] = spec.homepage