diff --git a/.github/workflows/main.yml b/.github/workflows/main.yml
index d3d4cfa..a5bbcd4 100644
--- a/.github/workflows/main.yml
+++ b/.github/workflows/main.yml
@@ -25,8 +25,8 @@ jobs:
     strategy:
       fail-fast: false
       matrix:
-        activesupport: ['6.1', '7.0', '7.1', '7.2']
-        ruby: ['3.1', '3.2', '3.3', '3.4']
+        activesupport: ['6.1', '7.0', '7.1', '7.2', '8.0']
+        ruby: ['3.2', '3.3', '3.4']
     steps:
     - uses: actions/checkout@v2
     - name: Set up Ruby
diff --git a/.rubocop.yml b/.rubocop.yml
index b56139f..451eecf 100644
--- a/.rubocop.yml
+++ b/.rubocop.yml
@@ -1,6 +1,6 @@
 AllCops:
   NewCops: enable
-  TargetRubyVersion: 3.1
+  TargetRubyVersion: 3.2
 
 Layout/LineLength:
   Max: 120
diff --git a/.ruby-version b/.ruby-version
index 4d9d11c..f989260 100644
--- a/.ruby-version
+++ b/.ruby-version
@@ -1 +1 @@
-3.4.2
+3.4.4
diff --git a/ja2r.gemspec b/ja2r.gemspec
index 08c7a06..cbad0f3 100644
--- a/ja2r.gemspec
+++ b/ja2r.gemspec
@@ -9,11 +9,11 @@ Gem::Specification.new do |s|
   s.homepage    = 'https://github.com/mkon/ja2r'
   s.summary     = 'Simple JSON-API to ruby object conversion'
   s.license     = 'MIT'
-  s.required_ruby_version = '>= 3.1', '< 3.5'
+  s.required_ruby_version = '>= 3.2', '< 3.5'
 
   s.files = Dir['{app,config,db,lib}/**/*', 'LICENSE', 'README.md']
 
-  s.add_dependency 'activesupport', '>= 6.1', '< 8.0'
+  s.add_dependency 'activesupport', '>= 6.1', '< 8.1'
 
   s.metadata['rubygems_mfa_required'] = 'true'
 end