diff --git a/.rubocop.yml b/.rubocop.yml
index 29b3bd9..7be8a4d 100644
--- a/.rubocop.yml
+++ b/.rubocop.yml
@@ -6,6 +6,7 @@ AllCops:
     - node_modules/**/*
     - vendor/**/*
   NewCops: enable
+  TargetRubyVersion: 3.3
 Layout/ClosingHeredocIndentation:
   Enabled: false
 Layout/FirstArgumentIndentation:
diff --git a/Gemfile.lock b/Gemfile.lock
index 3e3b44e..53b055a 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -27,7 +27,7 @@ GEM
     bundler-audit (0.9.2)
       bundler (>= 1.2.0, < 3)
       thor (~> 1.0)
-    code-ruby (1.1.1)
+    code-ruby (1.1.3)
       activesupport
       bigdecimal
       did-you-mean
@@ -40,13 +40,13 @@ GEM
     did-you-mean (0.1.1)
       levenshtein (>= 0.2.0)
     diff-lcs (1.5.1)
-    dorian-arguments (1.2.1)
+    dorian-arguments (1.2.2)
       bigdecimal
     drb (2.2.1)
     i18n (1.14.5)
       concurrent-ruby (~> 1.0)
     json (2.7.2)
-    language-ruby (1.0.1)
+    language-ruby (1.1.2)
       dorian-arguments
       zeitwerk
     language_server-protocol (3.17.0.3)
diff --git a/template-ruby.gemspec b/template-ruby.gemspec
index 5255820..1524921 100644
--- a/template-ruby.gemspec
+++ b/template-ruby.gemspec
@@ -17,5 +17,5 @@ Gem::Specification.new do |s|
   s.add_dependency "language-ruby"
   s.add_dependency "zeitwerk"
   s.metadata["rubygems_mfa_required"] = "true"
-  s.required_ruby_version = ">= 3"
+  s.required_ruby_version = ">= 3.3.0"
 end