diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index cd31747..84626bf 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -10,7 +10,7 @@ jobs:
     strategy:
       fail-fast: false
       matrix:
-        ruby: ["3.0", "3.1", "3.2"]
+        ruby: ["3.1", "3.2", "3.3", "3.4"]
 
     steps:
       - name: Checkout
diff --git a/web_pipe.gemspec b/web_pipe.gemspec
index b5a4c03..852e976 100644
--- a/web_pipe.gemspec
+++ b/web_pipe.gemspec
@@ -23,7 +23,7 @@ Gem::Specification.new do |spec|
     "rubygems_mfa_required" => "true"
   }
 
-  spec.required_ruby_version = ">= 3.0"
+  spec.required_ruby_version = ">= 3.1"
 
   spec.files = Dir.chdir(File.expand_path(__dir__)) do
     `git ls-files -z`.split("\x0").reject { |f| f.match(%r{^(test|spec|features)/}) }