diff --git a/README.md b/README.md
index b4c6a31..6411ab7 100644
--- a/README.md
+++ b/README.md
@@ -35,7 +35,7 @@ Or add manually to `package.json`:
 
 ```
 "dependencies": {
-  "@activeadmin-plugins/active_admin_theme": "1.1.4"
+  "@activeadmin-plugins/active_admin_theme": "^2.0.0"
 }
 ```
 and execute:
diff --git a/active_admin_theme.gemspec b/active_admin_theme.gemspec
index 536f7fb..1f98cea 100644
--- a/active_admin_theme.gemspec
+++ b/active_admin_theme.gemspec
@@ -10,14 +10,15 @@ Gem::Specification.new do |spec|
   spec.email         = ["igor.f@didww.com", "alex.s@didww.com"]
   spec.summary       = %q{Flat design for ActiveAdmin}
   spec.description   = %q{Flat design for activeadmin gem }
-  spec.homepage      = "https://github.com/didww/active_admin_theme"
+  spec.homepage      = "https://github.com/activeadmin-plugins/active_admin_theme"
   spec.license       = "MIT"
 
+  spec.required_ruby_version = '>= 3.1.0'
+
   spec.files         = `git ls-files -z`.split("\x0")
   spec.executables   = spec.files.grep(%r{^bin/}) { |f| File.basename(f) }
   spec.test_files    = spec.files.grep(%r{^(test|spec|features)/})
   spec.require_paths = ["lib"]
 
-  spec.add_development_dependency "bundler", "~> 1.7"
-  spec.add_development_dependency "rake", ">= 12.3.3"
+  spec.add_dependency "activeadmin", ">= 3.0", "< 4.0"
 end
diff --git a/lib/active_admin_theme/version.rb b/lib/active_admin_theme/version.rb
index 6a5a11d..82ef7bf 100644
--- a/lib/active_admin_theme/version.rb
+++ b/lib/active_admin_theme/version.rb
@@ -1,3 +1,3 @@
 module ActiveAdminTheme
-  VERSION = "1.1.4"
+  VERSION = "2.0.0"
 end
diff --git a/package.json b/package.json
index f921cf2..ce5d19f 100644
--- a/package.json
+++ b/package.json
@@ -1,6 +1,6 @@
 {
   "name": "@activeadmin-plugins/active_admin_theme",
-  "version": "1.1.4",
+  "version": "2.0.0",
   "description": "Flat design for ActiveAdmin",
   "main": "src/active_admin_theme.scss",
   "author": "Igor Fedoronchuk <igor.f@didww.com>",