diff --git a/.github/workflows/test.yml b/.github/workflows/test.yml
index b451e44..f5075e7 100644
--- a/.github/workflows/test.yml
+++ b/.github/workflows/test.yml
@@ -8,7 +8,7 @@ jobs:
     name: Ruby ${{ matrix.ruby }}
     runs-on: ubuntu-latest
     strategy:
-      matrix: { ruby: ['3.0', '3.1', '3.2', '3.3'] }
+      matrix: { ruby: ['3.1', '3.2', '3.3', '3.4'] }
 
     steps:
     - name: Checkout code
diff --git a/.rubocop.yml b/.rubocop.yml
index a29f248..f31e559 100644
--- a/.rubocop.yml
+++ b/.rubocop.yml
@@ -13,7 +13,7 @@ inherit_mode:
     - Exclude
 
 AllCops:
-  TargetRubyVersion: 3.0
+  TargetRubyVersion: 3.1
   SuggestExtensions: false
   Exclude:
     - 'dev/**/*'
diff --git a/lib/victor/svg_base.rb b/lib/victor/svg_base.rb
index b14d15e..5b09f84 100644
--- a/lib/victor/svg_base.rb
+++ b/lib/victor/svg_base.rb
@@ -36,8 +36,8 @@ def setup(attributes = nil)
       @svg_attributes = Attributes.new attributes
     end
 
-    def build(&block)
-      instance_eval(&block)
+    def build(&)
+      instance_eval(&)
     end
 
     def tag(name, value = nil, attributes = {})
diff --git a/victor.gemspec b/victor.gemspec
index 25233c3..5c00228 100644
--- a/victor.gemspec
+++ b/victor.gemspec
@@ -13,7 +13,7 @@ Gem::Specification.new do |s|
   s.homepage    = 'https://github.com/DannyBen/victor'
   s.license     = 'MIT'
 
-  s.required_ruby_version = '>= 3.0.0'
+  s.required_ruby_version = '>= 3.1'
 
   s.metadata = {
     'bug_tracker_uri'       => 'https://github.com/DannyBen/victor/issues',