diff --git a/.github/workflows/main.yml b/.github/workflows/main.yml
index f8e60e1ac1..55c97a40e2 100644
--- a/.github/workflows/main.yml
+++ b/.github/workflows/main.yml
@@ -10,7 +10,7 @@ jobs:
   build-dummy-app-webpack-test-bundles:
     strategy:
       matrix:
-        ruby: [2.7, 3.2]
+        ruby: [3.0, 3.3]
         node: [14, 20]
     runs-on: ubuntu-22.04
     steps:
@@ -83,7 +83,7 @@ jobs:
     needs: build-dummy-app-webpack-test-bundles
     strategy:
       matrix:
-        ruby: [2.7, 3.2]
+        ruby: [3.0, 3.3]
         node: [14, 20]
         rake_task: ['run_rspec:all_but_examples', 'run_rspec:examples']
     runs-on: ubuntu-22.04
diff --git a/.github/workflows/rspec-package-specs.yml b/.github/workflows/rspec-package-specs.yml
index 1e5bc05927..66672651d2 100644
--- a/.github/workflows/rspec-package-specs.yml
+++ b/.github/workflows/rspec-package-specs.yml
@@ -10,7 +10,7 @@ jobs:
   build:
     strategy:
       matrix:
-        ruby: [2.7, 3.2]
+        ruby: [3.0, 3.3]
         node: [14, 20]
     runs-on: ubuntu-22.04
     steps:
diff --git a/.rubocop.yml b/.rubocop.yml
index 7678ea02b7..25ef515fe1 100644
--- a/.rubocop.yml
+++ b/.rubocop.yml
@@ -7,7 +7,7 @@ require:
 AllCops:
   NewCops: enable
   DisplayCopNames: true
-  TargetRubyVersion: 2.5
+  TargetRubyVersion: 3.0.0
 
   Include:
     - '**/Rakefile'
diff --git a/Gemfile.development_dependencies b/Gemfile.development_dependencies
index 653586666c..c9f370b5d0 100644
--- a/Gemfile.development_dependencies
+++ b/Gemfile.development_dependencies
@@ -4,13 +4,12 @@ gem "shakapacker", "7.2.1"
 gem "bootsnap", require: false
 gem "rails", "~> 7.1"
 
-# sqlite3 1.7.0 ends native gem support for Ruby 2.7
-gem "sqlite3", "~> 1.0", "< 1.7.0"
+gem "sqlite3"
 gem "sass-rails", "~> 6.0"
 gem "uglifier"
 gem "jquery-rails"
 gem "puma", "~> 6.0"
-gem "bundler", "2.4.17"
+gem "bundler", "2.5.3"
 
 # Turbolinks makes following links in your web application faster. Read more: https://github.com/rails/turbolinks
 gem "turbolinks" if ENV["DISABLE_TURBOLINKS"].nil? || ENV["DISABLE_TURBOLINKS"].strip.empty?
diff --git a/README.md b/README.md
index dd0c946f9f..236abeba65 100644
--- a/README.md
+++ b/README.md
@@ -73,7 +73,7 @@ _Requires creating a free account._
 
 ## Prerequisites
 
-Ruby on Rails >=5, rails/webpacker >= 4.2 or shakapacker > 6, Ruby >= 2.7
+Ruby on Rails >=5, rails/webpacker >= 4.2 or shakapacker > 6, Ruby >= 3.0.0
 
 # Support
 
diff --git a/react_on_rails.gemspec b/react_on_rails.gemspec
index d2c4f79a6b..de36face5f 100644
--- a/react_on_rails.gemspec
+++ b/react_on_rails.gemspec
@@ -23,7 +23,7 @@ Gem::Specification.new do |s|
   s.executables   = s.files.grep(%r{^exe/}) { |f| File.basename(f) }
   s.require_paths = ["lib"]
 
-  s.required_ruby_version = ">= 2.7.0"
+  s.required_ruby_version = ">= 3.0.0"
 
   s.add_dependency "addressable"
   s.add_dependency "connection_pool"
@@ -31,7 +31,6 @@ Gem::Specification.new do |s|
   s.add_dependency "rails", ">= 5.2"
   s.add_dependency "rainbow", "~> 3.0"
 
-  s.add_development_dependency "bundler", "~> 2"
   s.add_development_dependency "gem-release"
   s.post_install_message = '
 --------------------------------------------------------------------------------
diff --git a/spec/dummy/Gemfile.lock b/spec/dummy/Gemfile.lock
index 80f8b9dd40..4131a506f5 100644
--- a/spec/dummy/Gemfile.lock
+++ b/spec/dummy/Gemfile.lock
@@ -387,7 +387,7 @@ PLATFORMS
 DEPENDENCIES
   amazing_print
   bootsnap
-  bundler (= 2.4.17)
+  bundler (= 2.5.3)
   capybara
   capybara-screenshot
   coveralls
@@ -418,10 +418,10 @@ DEPENDENCIES
   shakapacker (= 7.2.1)
   spring (~> 4.0)
   sprockets (~> 4.0)
-  sqlite3 (~> 1.0, < 1.7.0)
+  sqlite3
   turbolinks
   uglifier
   webdrivers (= 5.3.0)
 
 BUNDLED WITH
-   2.4.17
+   2.5.3
diff --git a/spec/dummy/bin/bundle b/spec/dummy/bin/bundle
index a71368e323..86cfde04f4 100755
--- a/spec/dummy/bin/bundle
+++ b/spec/dummy/bin/bundle
@@ -73,7 +73,7 @@ m = Module.new do
 
     requirement = bundler_gem_version.approximate_recommendation
 
-    return requirement unless Gem::Version.new(Gem::VERSION) < Gem::Version.new("2.7.0")
+    return requirement unless Gem::Version.new(Gem::VERSION) < Gem::Version.new("3.0.0")
 
     requirement += ".a" if bundler_gem_version.prerelease?