diff --git a/liquid-spec.gemspec b/liquid-spec.gemspec
index 5616ebd..b1c3703 100644
--- a/liquid-spec.gemspec
+++ b/liquid-spec.gemspec
@@ -12,7 +12,7 @@ Gem::Specification.new do |spec|
   spec.description = "liquid-spec is a test suite for the Liquid language."
   spec.homepage = "https://github.com/Shopify/liquid-spec"
   spec.license = "MIT"
-  spec.required_ruby_version = ">= 3.0"
+  spec.required_ruby_version = ">= 3.1"
 
   spec.metadata["homepage_uri"] = spec.homepage
   spec.metadata["source_code_uri"] = spec.homepage